NOTE: 1: Works at night or in dark environment only. 2. Long press the UV light will turn on (blue color). 3: Press the white button for one fixed color at a time, second color cycle. Easy to install: Step 1: Insert 3 AAA batteries and remove the front cover, insert the aromatherapy tablet, then put the cover back. Step 2: Make the sensor button towards the door, adjust the arm according to the size of your toilet. Step 3: Bend the arm to fix the toilet light on the rim, complete the installation and press the button to choose your favorite color. Specification Bulb Type: RGB LED Light + UV Light Voltage: Less than 36V Lampshade Material: Plastic Size: 2.7 * 2.5 * 0.9 inches Main application scope: toilet, hotel room Switch type: Button type Average life: 10000 Power supply mode: battery Light color: 16 colors Power: 1W Package included: 2 * Toilet night light 1 * User manual 2 * Aromatherapy tablet User attention: 1: Ultraviolet disinfection starts automatically after the LED light