Aluminum Alloy coating‎,‎ which makes super cool design‎.‎ Lamp base‎:‎ CREE‎,‎ high power LED‎.‎ With a lifespan of up to 100‎,‎000 hours or more‎,‎ no need to consider replacing the cap for the whole life‎.‎ Waterproof‎,‎ but don‎'‎t put it into water long time ‎.‎ Super Bright‎,‎ can make blinding effect‎.‎ Cree LED Zoomable Rechargeable Flashlight with Zoom ring‎.‎ 3 switch Modes‎:‎ high / low / strobe /‎,‎ zoom in/out Battery Type‎:‎ 1 x 18650 3.7v Battery Model of LED‎:‎ CREE XM‎-L Q5 LED Switch Location‎:‎ Middle‎-clip Dimension‎:‎ 43mm x 28mm x 174mm With arming strap‎.‎ Color‎:‎ Black WindFire 18650 Rechargeable Battery ‎:‎ Model‎:‎ 18650 Voltage‎:‎ 3.7V Battery Capacity‎:‎ 4000mAh AC Charger‎:‎ Smart charger can charge for 18650 Li‎-ion batteries‎.‎ Suitable for 18650 Li‎-ion AC100v‎-240v 50‎-60Hz input ‎.‎ Output‎:‎ DC 4.2V‎?‎‎.‎5V Car Charger‎:‎ Input‎:‎ DC12v 50‎-60Hz Output‎:‎ DC 4.2V‎?‎‎.‎5V