The ACR Exposure OLAS Guardian is a compact, battle-tested wireless engine kill switch and MOB alarm system that keeps you safe on the water without tying you down. Designed for powerboats, motorboats, and RIBs, it stops the engine within two seconds if a crew member goes overboard or becomes separated, while delivering a loud alarm and clear alerts to guide a quick rescue. All the reliability of a wired kill cord, upgraded with wireless freedom and smart app integration.
Why choose OLAS Guardian
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Rapid stopping power: the engine automatically kills within two seconds of disconnection, reducing the risk of an unmanned, drifting vessel.
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Dual MOB alert system: acts as an instant Man Overboard alarm with a loud 85 dB audible alert and Ultra-Bright Red LED visual cue.
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Wireless, flexible operation: connect to your engine’s kill switch and move freely around the boat without constantly attaching/detaching a physical cord.
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Expandable coverage: base coverage up to 50 ft, expandable to 80 ft with the OLAS EXTENDER for larger vessels.
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App-driven safety: integrates with the OLAS Mobile App for easy MOB incident handling, directional guidance, and mayday assistance.
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Team safety: connect up to 15 OLAS transmitters (tags or float-on lights) to create a virtual kill cord for every crew member.
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Easy restoration: engine restart is possible after five seconds, allowing a safe rescue and return to operation.
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Keep your existing system: runs alongside your wired kill switch and can override or pause as needed with smart controls.
Smart features and safety you can count on
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OLAS Mobile App integration: monitor, manage, and engage the Guardian remotely; use the app’s external alarm with vibration if you’re carrying the device in your pocket.
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Automatic connection: seamless pairing within range with no fuss, and a straightforward override in case a connection is lost.
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Visual and audible alerts: Ultra-bright red LED plus 85 dB alarm ensure your MOB situation is unmistakable, day or night.
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Pause mode and run with your current system: operate the Guardian without replacing your existing safety setup; it complements and enhances your current kill cord.
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Waterproof reliability: IP67-rated for dependable operation in demanding marine conditions.
Technical specifications
- 3.6" (H) x 3.5" (L) x 1.5" (W)
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Weight: 3.97 ounces (112.5 g)
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Color: Black and Clear
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Operation: Press button once to turn on; all tags within 2 meters are tracked
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Transmitter connections: up to 15 OLAS transmitters (OLAS Tags or OLAS Float-On Lights)
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Power and wiring: 12/24V wired color-coded control switch
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Coverage: base 50 ft, expandable to 80 ft with OLAS EXTENDER
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Safety response: engine kills within two seconds of disconnection; restart possible after five seconds
Experience wireless freedom, uncompromised safety, and precise MOB management with the ACR Exposure OLAS Guardian. It’s the smart, reliable way to protect you, your crew, and your vessel on every outing.
| Size |
3.6" (H) x 3.5" (L) x 1.5" (W) |
| Weight |
3.97 Ounces (112.5 g) |
| Color |
Black and Clear |
| Operation |
Press button once to turn on, all tags within 2 meters are tracked |
| Maximum Number of Connected OLAS transmitter |
Connects up to 15 OLAS Transmitters (OLAS Tags and/or OLAS Float-On) |
| Power / Current |
10-32V / 13-17mA |
| Visual Alarm |
Red LED / 55 Lumens |
| Audible Alarm |
85 Decibels |
| Automatic Restart |
After 5 Seconds |
| Automatic Connection |
Automatically connects to any activated OLAS transmitter within a 2 meter range. |
| Relay Selection |
Use the OLAS APP to select which crew members transmitters should trigger the engine cut off, or only trigger the Guardians built-in alarm. |
| Range |
For use with vessels up to 50 feet. |
| Scalability |
Upgrade your system with the OLAS Extender (extends range of your MOB system from a vessel size of 50 ft up to 80 ft). |
| Buoyant |
No |
| Waterproof |
Yes (IP67) |
| Housing Material |
ABS |
| Fuse |
1-3 Amp fuse recommended (not supplied) |
| Bluetooth® |
4.2 + 5.0 |
| Applications |
Recreational |
| Warranty |
1 Year |
| Approvals |
FCC, RED, CE, RoHS 2.0 |