ACR Electronics Firefly Plus Strobe / Flashlight Combo

Omni-directional strobe is visible up to 2 miles, making this great for kayakers who paddle close to dawn and dusk. Waterproof to 328 ft (100 m); for diving, use non-petroleum based lubricant on O Ring seal to ensure maximum waterproof integrity. Easy to operate-just turn ring to left or right to activate strobe or flashlight. Floats if dropped overboard. Operates on 2 AA alkaline or 2 AA lithium batteries. Operating life: Strobe - 10 hours; flashlight - 2 hours continuous. Made with high-impact, ABS plastic in bright orange.