Product feature: Emitter Type: 3x CREE XM-L T6 LED Light Color: White LED Quantity: 3 Battery Configurations: 3x18650 / 2x18650 (you can use 2 batteries, or 3 batteries) 3.7v Switch Location: Tail 5 Switch Mode: High / Middle / Low / Strobe / SOS Brightness: 3800 lumens LED Lifespan: 100,000 hours Material :Aluminum Lens: Coated Glass Lens Reflector: Aluminum smooth reflector Casing Color: Black Size(mm):225 x 55(bezel)/26.5(body) Weight: 403g This TrustFire torch uses of a 3xCREE XM-L T6 LED, producing very bright beam of light. Output bright can come to above 3800 lumens [lm] 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. Hard-Anodized finish; Anti-abrasive, free-scratch, shock-proof. Battery Charger:The AC adapter easily folds out to charge and pack away Smart charger can charge for 18650 Li-ion batteries, two at a time Suitable for 18650 Li-ion for 2pcs batteries LED indication for Power On / Charging / Full charge AC110v-240v 50-60Hz input (international charger, can be used worldwide) Output: DC 4.2V 600mA Measurement: 84 x 46 x 33 mm(L*W*H) Weight: 72g Single package list: 1 x TrustFire 3xCREE XM-L T6 LED 3800Lm Flashlight Torch 1 x 18650 Rechargeable battery Charger (110-240v World voltage) 1 x US Power Plug Adaptor 3 x 18650 3.7v Battery