Firefly 2 Doublefly

Model: 3999 (bulk) 3999.1 (carded) / Part Number 3999 and Brand: ACR Electronics

The Doublefly\'s multi-function switch allows you to select between a high-intensity strobe visible from beyond 1 nm (1.9 km), or steady, incandescent light for close-up recovery work.

AThe Xenon 360° beam flashes at one second intervals for at least 8 hours (2 hours continuous operation in incandescent mode).AA Multi-function switch selects between strobe light for visibility at great distances or steady incandescent light for close-up recovery workA Large sliding switch allows for easy operation by gloved handsA Specially-designed base platform allows unit to stand upright easilyA Aluminum retainer securely attaches battery door to caseA High intensity Xenon streobe and incandescent lampA Ideal for life vests, safety harnesses, float coats, work suits, immersion suits, backpacks and flight suits.

Product Specifications –

Waterproof : Factory tested to 33 feet (10 m)
Weight : 3.8 oz. (108.7 g) with 2 AA lithium batteries, 4.4 oz. (125.7 g) with 2 AA alkaline batteries
Strobe Intensity : .75 cd minimum
Strobe Visibility : 1-2 mi (1.6 to 3.2 km)
Certification : None
Strobe Flash Rate : 60± 10/min.
Strobe Operation : Minimum 8 hour continuous @ 30°F (-1°C)
Lamp : High intensity xenon strobe and incandescent light
Operation : Manual ON/OFF switch Manual ON/OFF switch
Product Number : 3999 bulk and 3999.1 carded
Size : 4.4 x 2.2 x 1.2 " (11.7 x 5.7 x 2.8 cm)