TT GOS 2x 2500 Lumens Led Flashlight 18650 Cree T6 Xml+battery and Charger CREE XM-L T6 LED. Made of high quality 6061T aluminum alloy. Lamp base: CREE, high power LED. this flashlight is sturdy and durable enough for long time daily using. Waterproof, but don't put it into water long time. Super Bright, blinding Effect. Crenellated strike bezel for enhanced self-defense. Switch Location: Tail-cap Multi-mode adjustable Brightness,Zoom In & Zoom Out. Max output: 2500 lumens.