1. Go to the power socket and open the O/I switch to the position of I.

2. Put your hands or feet into the body and press the square button behind the body. The body will start to operate with lights on. (This light has two gears: long light and timing, and the timing time is 120 seconds. The black button on the upper part of the lamp has 3 gears, the Middle Circle gear is stop, the first horizontal bar gear is long bright, the second horizontal bar gear is timing, and the red switch is timing button. The black switch hits the timing of the second horizontal bar, and then press the red button. The light is on at regular time, and the light will automatically turn off after the time is reached.)

The lamp tube must be tightly inserted. The lamp tube is not tight and will appear (the lamp tube is not on, the lamp tube is flashing, the lamp tube is loose, etc.) 818UV UV lamp the light is white,

Wavelength 380-390nm (wavelength belongs to visible light,).