NK-510 Stainless High Light 4-Mode LED Lamp/Hand Torch Flashlight Widely used for patrolling, hunting and arresting, inspecting, securing, martin rescue as well as light shooting and so on Single high-intensity LED is super bright than normal LED lights For 4 modes to choose: super bright, normal, blinking, slower blinking It is waterproof and shockproof Powered by rechargeable NK 18650 4800mAh 3.7V battery(included)