Waterproofing design3 Mode: high /low / strobeSwitch Type: Twist (Twisty)Model of Battery required: 3x AAA/1x 18650 3.6v/3.7v batteryHead lamp diameter : 35mm18650 3.7V Battery:18650 3000mAh 3.7V rechargeable li-ion batteryOver temperature and over current protectionShort-circuit protection & Environment friendlyWidely used on torch， laser pointer， as emergency lighting and other portable devicesColor: Blue/Red (random color)Capacity: 3000mAhPackage Contents:1 x T6 Diving Headlight1 x AAA battery holder1 x 18650 white battery sleeve1 x 18650 batteryDiving flashlight， specially designed for the people who are crazy with diving.With its outstanding performance， it is widelu used in personal diving and camping trip， underwater hunting and so on.The headlight suitable for any type of underwater lighting needs. Waterproof up to 80M， can be set to constant or flashing lights (AAA adapter)Model of LED: XM-L T6 LEDLight Color: WhiteOutput bright can come to max 2200 lumens [lm]Internal wiring applies the high efficient booster circuit， working voltage is wide and can utilize the batteries in the largest extent.Waterproofing design