Neewer 126 LED LIGHT for DSLR CAMERA or Digital Video Recorder CANON , NIKON, SONY, SAMSUNG, KODAK , PENTAX , PANASONIC Application: Video taking, either for lights setup or supplement. Test: Press the bottom for checking the charge capacity of battery,the indicator lighting for charge capacity of battery will be on. When all of the indicator lights are on, the charge capacity is full. Use: Insert hot shoe of LED video light on base of hot shoe of camera or camcorder, turn on the LED video lighting, then you can start picture or video taking.