Power Source: Battery operated (AAA size 1.5V x 3 = 4.5 Volts)
MOTION AND LIGHT SENSOR ACTIVATED: This built-in motion sensor detects movement that automatically illuminates the room when you enter and shuts off when you leave at night. Also, when it detects another source of light, it will automatically turn off. The average battery life is about 12 months, what a money saver.
FIT ANY TOILET - 4 inches flexible arm can fit any toilet rim.
CHANGEABLE LED LIGHT - 8 colors and a combination of colors gives you a variety of selection that is comfortable to your eyes.

8 Color LED Toilet Night Light For Macerating Toilet - Silent Venus