... , CREE Q3 bulb, Super Bright Led Flashlights 1, Outer body design: Using the aircraft-class aluminium T6061 that is CNC worked, totally waterproof design...2, Small and ... & voltage1*18650(3000HMA)Li-ion 3.7-4.2V Size and weight42MM* 27MM *165MM 167.5G (batteries not included) Newest Multifunction LED Rechargeable Flashlight /Torch (Y8)