ACR Electronics Firefly PRO Waterbug
Best reliable safety beacon for marine and aviation emergencies.
A critical safety tool that automatically activates upon water submersion to signal location in emergencies. It combines high-visibility strobe and SOS modes with a rugged, compact design that integrates seamlessly into existing life-saving gear.
$85.13
at
Amron International
More Firefly PRO options
Who it's for
- Solo sailors needing reliable hands-free emergency signaling
- Offshore mariners prioritizing long-term visibility during extended rescue windows
- Commercial mariners requiring maximum visibility in low-light conditions
Who should skip it
- Lightweight paddlers seeking the most compact safety gear available
- Boaters who prefer sealed, maintenance-free disposable safety lights
- Water sports enthusiasts using specialized or non-standard flotation vests
Performance breakdown
Visibility Range
Three-mile strobe reach ensures you remain detectable in vast open water.
Deployment Speed
Automatic water activation removes critical seconds during high-stress emergency scenarios.
Durability
Military-spec casing withstands the relentless abuse of saltwater and harsh conditions.
Operational Longevity
Fifty-six hours of runtime provides a substantial safety buffer for rescue.
Portability
Compact footprint integrates seamlessly into standard life jackets without adding bulk.
Ease of Mounting
Versatile lashing loops and straps allow for quick, secure gear attachment.
Key Specs
Model Number
39713
Dimensions
4.4 x 2.2 x 1.2 inches
Weight
2.39 ounces
Battery Type
AA Lithium/Alkaline
Run Time
56 hours
Waterproof
IP67
Visibility
Over 3 miles
Light Type
Cool White LED
Attachment Method
Lashing loops and Velcro strap
Certification
SOLAS, USCG, MED, CE, Transport Canada, IMO LSA
Know before you buy
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