ACR Electronics

ACR 3971.4 Firefly Pro Waterbug Led Strobe Light - Bulk

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ACR Firefly Pro Waterbug Led Strobe Light - Bulk

The all-new Firefly PRO Waterbug is a SOLAS-approved strobe light with a built-in water activation feature that will automatically activate once submerged. With 4 activation functions, toggle between the armed mode for automatic water activation, ultra-bright strobe light or the SOS strobe to visually alert Search and Rescue of your location, then toggle to the Steady-On feature for close up recovery operations.

The remarkable cool white color LEDs produce a 360 beam of light that is over 41 candelas bright allowing for visibility of over 3.5 miles.  With the all-new microprocessor and energy efficient electronics, the Firefly PRO operates continuously for over 56 hours, that's 48 hours longer than SOLAS/USCG regulations and twice as long as competitors.

The cool white color of the LED strobe has no yellow tint allowing the light to be seen at greater distances.  With the all-new microprocessor and energy efficient electronics, the Firefly PRO operates continuously for over 56 hours, that's 48 hours longer than SOLAS/USCG regulations and twice as long as competitors.

Model: ACR-3971.4

The all-new Firefly PRO Waterbug is a SOLAS-approved strobe light with a built-in water activation feature that will automatically activate once submerged. 

The LED produces a 360° beam of light that is over 41 candelas bright, allowing for visibility of over 3 miles. 

With the all-new microprocessor and energy efficient electronics, the Firefly PRO operates continuously for over 56 hours.

product number3970.4 (bulk)
size4.4 x 2.2 x 1.2 inches / 11.7 x 5.7 x 2.8 cm
weight2.39 oz (68 g) (without batteries)
operationmanual on/off switch and water activation
waterprooffactory tested to 33 feet.(10 m)
lampled - cool white
strobe intensity26.8 candela minimum
strobe visibilityover 3.2 miles
strobe flash rate60 p/m +/-
strobe operation56 hours minimum
certificationsolas - pending, uscg - pending, imo lsa - pending, ce - pending