SKU: 27572514646

ACR OLAS GUARDIAN System

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Description

ACR OLAS GUARDIAN SystemOLAS GUARDIAN System The ACR OLAS (Overboard Location Alert System) GUARDIAN System is a is a wireless engine kill switch and MOB (Man Overboard) alarm system, that provides users with a robust set of safety features. OLAS GUARDIAN kill switch feature offers powerboat, motorboat and RIB drivers the security of knowing that their boat will stop in an instant, should the skipper or crew get separated from the boat, reducing the chances of a serious

OLAS GUARDIAN System 

The ACR OLAS (Overboard Location Alert System) GUARDIAN System is a is a wireless engine kill switch and MOB (Man Overboard) alarm system, that provides users with a robust set of safety features.

OLAS GUARDIAN kill switch feature offers powerboat, motorboat and RIB drivers the security of knowing that their boat will stop in an instant, should the skipper or crew get separated from the boat, reducing the chances of a serious accident from a loose, unmanned, uncontrolled vessel.   One of the beast features, is the ability to freely move around the boat without constantly having to remember to attach, detach and re-attach a wired kill cord. 

Given that the OLAS GUARDIAN also wirelessly connects up to 15 crew members via wearable OLAS transmitters (OLAS Tags or OLAS Float-On Lights), it essentially creates a virtual MOB kill cord attached to each transmitter.  Within two seconds of an OLAS transmitter losing connection, either by going overboard or via separation by distance, the engine will cut out, and a loud alarm is triggered.  

The engine can be restarted after five seconds, and a rescue can be performed. The rescue process is then simplified by the GUARDIAN’s ability to connect with the ACR OLAS mobile app which, in the case of a MOB incident, provides an easy to read directional screen showing the direction where the alarm was triggered.

The GUARDIAN provides coverage for vessels up to 50 feet and is scalable via the use of the OLAS EXTENDER for use on vessels up to 80 feet.

*As of April 1, 2021, the U.S.C.G. implemented a new law passed by Congress requiring the use of engine cut-off switches (ECOS) and the associated engine cut-off switch link (ECOSL) on recreational vessels.  The law is relevant to all federally navigable waterways and specifically applies to recreational vessels with the following characteristics:

  • Vessels less than 26 feet in length
  • Vessels with an engine capable of 115 lbs. static thrust (approximately 2-3 hp)
  • Vessels built in January 2020 or later

Features:

  • OLAS Mobile App Operation - the fully functional OLAS Guardian is easily operated via the OLAS Mobile APP (a free downloadable Android or iOS app), which enables you to set many of the parameters used in the MOB monitoring.
  • Run alongside existing Kill switch - OLAS Guardian can be used in place of or alongside an existing kill cord switch and will operate if the physical kill cord has not been attached to the driver.
  • Automatic restart - After 5 seconds the kill switch is deactivated enabling the engine to be restarted
  • Built-In Alarm - 85db alarm will sound to indicate an OLAS transmitter has gone out of range
  • Built-In Emergency Light - A high-power emergency Red light will illuminate, offering a clear visual indication of an alert whilst also acting as a light to illuminate the surrounding area
  • Automatic connection - When you board your vessel and switch on the power, OLAS Guardian will automatically connect to any switched on OLAS transmitting devices within a 6.5' (2 M) range.
  • No connection alert and override - If you board the vessel and no transmitters are switched on, the OLAS Guardian will sound an alert. 
  • Pause mode - The system can be placed in a pause mode.  This is used when you need to leave the boat with the engine idling and knowing the OLAS transmitter will go out of range
  • Connects up to 15 OLAS Transmitters (OLAS Tags or OLAS Float-On)
  • Extender compatible - An OLAS Extender can be used to cover areas where the transmitter signal may be blocked.  This allows use on larger vessels up to 80' and the ability to scale the system up if required.
  • Through panel mounting- The compact, stainless steel switch requires minimum adjustment to your existing center console, allowing it to be fitted through an 18mm hole
  • Color-coded control switch makes the system easy to control and set-up, without the need for the OLAS App. 
  • Monitor and track OLAS Transmitters, enabling customized ID names for easy identification.
  • Continuous system feedback - The GUARDIAN indicates how many OLAS transmitters are connected during the setup and monitoring process.
  • Transmitters can be Added to the system either using the mobile application or through a simple inbuilt switching process. 

Technical Specifications:

  • OLAS GUARDIAN Dimensions (H x L X W) - 3.6" x 3.5" x 1.5" (9.2 x 9 x 3.8 cm)
  • Weight - 3.97 oz (112.5 g)
  • Maximum Number of Connected OLAS Transmitters - 15
  • Power - 10 - 32 V
  • Visual Alarm - 85 Lumen Red LED
  • Audible Alarm - 85 db
  • Automatic Connection - Yes
  • Waterproof - IP67

Certifications:

  • U.S.C.G.
  • F.C.C.
  • RoHS 2.0

In the Box:

  • OLAS GUARDIAN engine kill switch hub
  • OLAS GUARDIAN control switch
  • One (1) OLAS Tag with strap
  • OLAS GUARDIAN Mobile App. instructions
  • Owners Manual 

*Sold as an Individual 

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
Manufacturer : ACR Electronics
Manufacturer Part No : 2985
UPC : 791659029855
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 27572514646

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4.5 ★★★★★
Based on 24 reviews
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R
Verified Purchase
R. Cordosi
Carnegie, US
★★★★★ 5
Outstanding Frother!
Color: Space Gray
Exceptional! This frother is in another league compared to the cheapo push button frothers. The motor is smooth, quiet and powerful. This has an intuitive thumb dial on top that operates smoothly with a wide range of smooth speed adjustment. It’s gentle enough to froth a little bit of milk for a macchiato and powerful enough to scramble 3 eggs. The head is removable for easy cleaning. It’s also rechargeable. I charged this the day I bought it on April first. I use it at least twice a day. It’s September 26th today and I have yet to recharge it and it’s not showing any signs of needing a charge. One minor quibble is that they give you 2 of the same frother heads. They are built so well, that I don’t imagine it ever wearing out. It would have been nice to get a whisk or something different. Not a deal breaker at all though.
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Reviewed in the United States on September 26, 2025
B
Verified Purchase
banjo player
Boise, US
★★★★★ 5
Solid unit
Color: Black
Handheld Mixer/Frother Review A Premium Choice That Transforms Morning Coffee I am thoroughly impressed with this handheld mixer and frother. Each morning, I blend cacao and collagen powder into my coffee, and in the past, I always ended up with stubborn lumps using only a spoon or whisk. I had previously purchased a few inexpensive handheld mixers, but they disappointed me both in price and performance, struggling to mix the powders thoroughly—especially at the bottom of the cup. I came close to abandoning handheld mixers altogether, but decided to give it one last try. After reading countless reviews and carefully comparing models, I opted to invest in a higher-end handheld mixer. The anticipation was high—would this mixer truly distinguish itself from the budget options cluttering my kitchen drawer? From the moment I unboxed it, the difference was clear. The mixer felt substantial in my hand, and the build quality reflected thoughtful engineering. While this model cost roughly twice as much as the cheaper alternatives, it proved to be well worth the investment. Initially, I was concerned about the dial at the top, fearing it might be difficult to control. However, I was pleasantly surprised by its intuitive operation. The unit offers a solid feel, plenty of power, and a versatile range of speeds—from a gentle stir perfect for coffee to an impressively fast setting. I had not previously considered using this mixer as a frother, but as a cappuccino enthusiast, I decided to give it a try. I heated both 2% milk and oat milk to take the chill off, then submerged the mixing wand. Allowing the mixer to rise above the milk introduced air and created a rich, creamy foam—an unbelievable result. My homemade cappuccino now tastes like something from a café. The controls are robust, the construction is reliable, and the power is consistent. Cleanup is effortless, requiring only a quick rinse under the tap. The battery life is also noteworthy, lasting through several uses without losing strength. If you are hesitant to spend a bit more on a quality handheld mixer, I wholeheartedly recommend making the investment. This mixer has become an essential part of my morning routine. Excellent product—well done!
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Reviewed in the United States on August 13, 2025
P
Verified Purchase
Philip B. Corriveau
Houston, US
★★★★★ 5
Solid, powerful, rechargeable
Color: Black
Very impressed with its weight, speed and performance. The dial is great
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Reviewed in the United States on May 29, 2026
C
Verified Purchase
Chief
Houston, US
★★★★★ 4
Very nearly the perfect frother for all your basic frothing & mixing needs
Color: Black
There are a lot of middle-of-the-road frothers out there. I've been through a few of them in my recent search for something that could mix and froth well, without taking up any more outlets in my basement kitchen. Of the three Maestri frothers I've tried so far, this one wins the race by a nose. Most recently, these Maestri frothers come in basically three versions: A single-speed @ 8000 RPM, a two-speed @8000/5500 RPM, and this stepless variable-speed version. Aside from that, the only real difference in recent version pack-outs is which attachments they come with. Look over the reviews of the single-speed version and you'll find that while it can and does froth well, it starts at a single, high speed and gets there fast. This makes it pretty easy to spin liquid right out of most common cups and mugs. There is a two-speed version, but it's harder to find, only comes in one color (Grape Purple), and while it's much better than the Maestri single-speed, it still has a couple of quirks that make this variable-speed version win out. This mixes and froths whole milk, half-and-half, or heavy whipping cream, or just about anything else very well. Like all frothers, it takes a little time to learn its nuances and nail down the technique, this will definitely get you there. The best feature of this is easily the speed control. Turn the knob to turn it on at a low speed that's great to get things started, then turn the knob to crank up the speed just enough to do what you need, whether that's mixing or frothing. The low starting speed makes it easy to keep things under control without undue spilling, and the max speed is more than enough to make quick work of getting your froth on. There are really only two complaints I have with this stepless, variable speed version: - I'd really like to have a Press On / Release Off button in addition to the Speed Control knob. More than one time have I gone to turn this off, only to spin the knob the wrong way and crank the speed up to ludicrous, sloshing liquid on the counter. Being able to turn it Off just by letting go of the button would be quick and easy. This configuration would allow using a preferred speed right from the start, while still allowing speed to be adjusted on-the-fly when needed. - Give it a bigger battery. It would cost mere pennies to give this a 2000mAH+ instead of a 1200mAH battery, and I can't think of any reasonable downside to that. - Give the motor a little more torque. It's fairly easy for the current motor, at any speed, to get bogged down in a thick protein powder mix, or when pressing the frother or other attachment a bit too hard into the bottom or side of the frothing container. A bit more "oomph" would prevent that. I really like the overall design and features of thes Maestri frothers better than many other, cheaper versions. This variable-speed version is pretty great as it is and probably the one I would recommend over the single- or two-speed, for most people. But I often find myself using two hands -- one to hold it steady, and the other to turn it on and tweak the knob to the desired speed(s) -- for a device that should arguably need only one hand to use. Just a couple of minor tweaks as noted above would make this the overall best frother of its type that I've used.
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Reviewed in the United States on May 23, 2025
D
Verified Purchase
D. Smith
New York, US
★★★★★ 5
Hands down, the BEST handheld frother I've ever used!
Color: Black
Hands down, the BEST handheld frother I've ever used! I got the black one, but any color will have the same results. Over the past 12 years or so, I've used so many different handheld frothers and they've ALL fallen short of expectations for quality, longevity, power, features, and usability. I've used everything from cheap, $15 models to $50+ models and everything in-between. Some with fancy attachments for various types of mixing, frothing, beating, whipping, etc. Some with rechargeable batteries, some without. Some AC powered, some with fixed whisks, some with detachable/replaceable whisks, some with stands, etc. NONE have been spectacular. Most broke within 6 months and got tossed. ALL were major disappointments in the end, including the "revered" Zulay models of which I tried several. I finally found this Maestri House branded, variable speed frother with detachable / replaceable whisks and got one to try. I was literally on Cloud Nine the first time I turned it on. Like, WOW! Not only was it FAST on the highest speed, but it was powerful enough to churn right through milk, eggs, cream, etc, without bogging down like many others. This thing makes milk froth like a milkshake and Matcha Lattes like nothing else I've ever experienced. I used to have to sift my Matcha, then whisk it in hot water, then froth milk and then blend them together to make the perfect latte. and if the milk was cold (my preference), pre-whisking in hot water was a must to avoid lumps. However, with THIS frother? I literally pour my milk into a tall tumbler, drop in un-sifted Matcha powder, and spin up the Maestri House frother at first on a medium low speed to get it mixed, then jump straight to the highest speed to really whip that milk and match up. After about 30-45 seconds, I've got the thickest, richest, smoothest, most aerated latte around. And NO LUMPS at all!!! What a time and dish saver! And cleaning? I just run it under hot running water to get the shaft cleaned and then spin it up in a dish with hot running water for a few moments, then spin it on high for a few seconds in the air to dry it off instantly. Now, I'll be honest here, too. The specs say it can go months on a charge, using it for a couple minutes a couple times daily. Well, I guess it could do that and still spin. But I use it FULL SPEED, churning hard for at least a minute a couple times per day. After about 2 weeks, I can start to notice a speed reduction so I just plug it back in on the charger. All things considered, this is still better than all the other handheld frothers I've used over the years. After using the heck out of this thing for the past 7 months, I've even decided to start selling these in our Japanese gift shop. The manufacturer is has been very responsive both in customer support (I called them about an issue I thought I was having, and they called me back with a couple hours even though I didn't leave voicemail when they didn't answer right away) and in reseller support. I have to give these guys an A+ for responsiveness and quick resolution when problems might arise. HIGHLY recommended!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 17, 2025

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