Waterproof; protected against immersion in water up to >1 meter (3.3 feet) for 30 minutes (IPX 8). Memory function allows you to turn the light on and off at your selected brightness without needing to return to full power. Settings include full power in proximity and distance modes, dimming, red night vision, and lock mode. It features one quad-power LED and one dual-power white LED emitting 300 lumens. Maximum range: 80 m; [Low] 16 m. Maximum burn time: [High] 30 hours (estimated); [Low] 175 hours (estimated).