C4 Xenon C4 Xenon The C4 Xenon is lighter than most other primary dive lights. It is designed to fit smaller hands while still offering brightness comparable to lights twice its size. Its twin lamp system allows you to switch to a backup bulb underwater. For maximum color clarity and a comfortable fit, the C4 is a perfect solution. •Basic 6.6 watt model operates on 4 disposable alkaline C-cells •Dual lamp system allows for safety back up and 60 hours total lamp life •Nonbreakable locking switch prevents accidental actuation •Integral pistol style grip •Front lens protected by heavy rubber boot drop protection •Tough, non-corroding ABS and polycarbonate plastic construction •Rubber sleeve lanyard included •Rechargeable Upgrade Kit includes 10 watt lamp, high temperature reflector, rechargeable nicad pack and charger •Proudly made in the USA