UK C-4 Dive Light The C4 is the smallest pistol grip style dive light designed for divers who want to minimize their gear. Features: -Basic 6.6 watt model operates on 4 disposable alkaline C-cell batteries -Dual lamp system allows for safety back up and 60 hours total lamp life -Dual lamp system allows switching between two lamps underwater -Nonbreakable locking switch prevents accidental actuation -Integral pistol style grip -Front lens protected by heavy rubber boot -Tough, non-corroding ABS and polycarbonate plastic construction -Rated to 500 Feet