Description 100% Brand New. Appearance color: Black Material: 6061T Aluminum. Size: 137mm/5.4 inch x 39mm/1.6 inch(Head diameter) x 29mm/1.15 inch(Tail diameter) Switch: Press Tail-cap on/off Power by : 1x 18650 /3x AAA Battery (Not Included) (Supporting tube, when with transparent casing, is to use a 18650 battery; When use flashlight inside own battery holder, is to use three AAA batteries) Type of LED: CREE XM-L XML T6 LED Adjustable Focus : Can adjust its focus for different usage. Output brightness : Can come to above 1600 lumens [lm] Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent. Mode: high / middle / low / strobe / SOS / Zoom in & Zoom out Specifications: Material: Aluminum Alloy Power: One 18650 Li-ion battery / 3 AAA batteries (Not included) Max Brightness: 1600LM Net Weight: 165g Please advise: Please never over-charger or over-discharge the 18650 batteries, which means when the brightness of the flashlight is going down clearly but not totally dark, it is the time to charge it, or the battery will be over-discharged and it will be broken or short-circuit when you charge it the next time. The indicator light of adapter will be red when it is charging and being green when it is finished. Package: 100% Brand New 1 x XM-L T6 Flashlight 1 x Rechargeable 18650 Battery 1 x Charger 1 x Battery holde