ACR Firefly Pro Waterbug Emergency Strobe Light

ACR Firefly Pro Waterbug Emergency Strobe Light


SOLAS Approved emergency strobe light visible from over 3 miles away and with over 56 hour of continuous power.

ACR Firefly Pro Waterbug Emergency Strobe Light


Firefly Pro Waterbug from ACR is an emergency strobe light which is SOLAS approved.  The white LED produces a 360 degree beam of light which is over 41 candelas bright. This emergency strobe light has an excellent battery life of over 56 hours of continuous operation powered by just 2 AA alkaline batteries (not included).

Firefly Pro Waterbug Emergency Strobe Light Key Features:


ACR Firefly Pro Waterbug Emergency Strobe Light features automatic activation once submerged in water and has 4 activation modes:

  • Armed Mode - Ready for automatic water activation
  • Strobe Mode - Ultra-bright strobe light
  • Steady On Mode - Continual light for close up recovery operations
  • SOS Mode - Visually alert Search and Rescue of your location

The image above shows how each mode will affect the beam of the strobe.  It's quick and easy to switch modes by simply pressing the power button.


The ACR Firefly Strobe Light provides visibility for over 3 miles.

Battery Life

ACR Firefly Strobe Light has a battery life of up to 56 hours and the SOS feature has up to 30 hours battery life. Standard AA batteries power the ACR Firefly Pro Waterbug Emergency Strobe Light. 


The ACR Firefly Pro Waterbug has been factory tested to a depth of 33ft or 10m when submersed. 

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Dimensions 4.4 x 2.2 x 1.2 inches / 11.7 x 5.7 x 2.8 cm
Weight 2.39 oz (68 g) (without batteries)
Operation Manual ON/OFF switch and Water Activation
Waterproof Factory tested to 33 feet. (10 m)
Lamp LED - cool white
Strobe Intensity 41 candela (strobe)
Strobe Visibility Over 3 miles
Strobe Flash Rate 60 P/M +/-
Strobe Operation 56 hours
Batteries Required 2 x AA alkaline batteries (not included)
Certification SOLAS, USCG, MED, TSO-C85b, IMO LSA, CE

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