Photographic flash units [for cameras]

This flash lamp supports flexible angle adjustment of 0-90° vertically and 0-270° horizontally. When charging, simply turn the switch to ON (the charging indicator light is dim). Press the test button to test the flash. After use, turn it to OFF to shut down the device. The red light flashes every second indicating low battery. The device has 8 levels of power output adjustment, which is displayed by 8 LED indicator lights.