Automotive Headlight Tester, tests luminous intensity, light height, and optical deviation of automotive and motorcycle headlights. Features an LCD display (Chinese/English), RS-232C interface, analog data output, and low-power battery operation. Easy to assemble, disassemble, and move. Ideal for vehicle inspection stations, mobile inspection lines, and repair shops to adjust and test headlight beam positioning, with auxiliary angular calibration for precise adjustments.