Flashlights led - water/crushproof polysteel - focusing lumens: 250 high/26 low time hrs high/low=3.5/35 Pure beam focusing. Waterproof, drop proof and crush proof. Twist focus, ultra-durable with a stainless steel core and a poly outer. Impact resistant LED is virtually unbreakable. Waterproof to 3 meters for at least 1 hour, can survive a drop from a heigh t of 3 meters. Beam distance of 397 Ft/121M high, 121 Ft/37M low. Uses 3 x AAA batteries.