Notes:1. This product not include battery.2. This product is eight colors,It can cycle light, you can also fix one of the colors.3. This productcannot light up when the environment is bright.Package Included: 1/2 x Toilet Light ( battery not include)Features:1. Auto-sensing system: it will turn on when you close, auto off when you leave.2. Avoid accidents for midnight convenience with soft light in the darkness.3. Energy-saving and useful: it make your bathroom easy to access via the auto-sensing device, smart and considerate.4. Sanitary design: easy to clean .5. Simple to install, fits all toilet types.6. Eight colors to choose.Specifications:- Sensor type: Human Motion Sensor- Size: 10x7x4.5 cm/ 4''x 2.75''x 1.75''each- Weight: 60g / 2.1oz each - Product Options: 8 Colors