Specification: Product name: Flashlight Driver New Firmware Diameter:17mm 7135*3 output latest 1050mA (MAX) 7135*4 output recent 1400mA (MAX) 7135*6 output current 2100mA (MAX) 7135*8 output recent 2800mA (MAX) Package included: 1 x Flashlight Driver New Firmware Note: please want the model when ordering