Brand New Super Bright 1800LM Cree Tactical Flashlight Whole Kit With Mount/Pressure Switch/Picatinny Rail/Charger/18650 High power mode with maximum output of 1800 lumens output(Max). Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent. Water-Resistant, you can use it in a rainy day. Extensive Lifetime of LED (100,000 hours). Aluminum alloy casing.