Headlamp Flashlight Portable Work for Camping & Survival Lamp

LED Quantity: 1  Battery Configurations:2 x18650 3.7v Battery(include) Switch Location: On Battery Box 3 switch Mode: high / low / strobe Brightness: 2000 lumens LED Lifespan: 100,000 hours   Adjustable head straps. Rechargerable headlamp Adjustable zoom Ergonomic design Internal wiring applies the high efficient booster circuit, and can utilize the batteries in the largest extent The body of this flashlight is built of aircraft-grade aluminum alloy, and it has a very solid construction.  2PCS BRC 18650 3.7V 4000mAh Rechargeable Unprotected Li-ion Battery  Over temperature and over current protection  Short-circuit protection & Environment friendly  Widely used on torch, laser pointer, as emergency lighting and other portable devices