... 16,000- 18,000mcd each LED Switch tailcap switch Color optional Voltage 3.7-4.5V Power 3XAAA ... the light turned on, gently press(no click)3,Remove the tail cap, insert the batteries with ... Removes battery if not in use for long period.3. Warning: Please do not irradiate it to human ... use domestic 1W,domestic 3W,NICHIA,SSC,OSRAM,LUMILEDS and CREE LED.And LED Flashlight with D & C,18650,26250 or CR123 ...