This section can be used as a key chain, can also be a flashlight in the dark, and do not be afraid.... MaterialPSbody colorRed, Orange, Blue, Green, Transparent (default)CustomSwitchButton ON/OFF(non self-lock)Battery1*AAA (not incl. replaceable)Size20(Dia.)x72(H)MMPacking1pc/OPP bag, 500pcs/CTN, 43x23x26CM, NW:7Kgs, GW:9KgsFlash modelight upMOQ8000 pc(s)Bulb1.5V Bulb(Not LED) Torch Keychain