The discreet Motion Sensor Wall Light is battery powered and eliminates to need of any mains wiring.The light is very subtle and will not disturb others, making it ideal to be used as a night light for bedrooms, stairs, bathrooms and hallways. It has a darkness and motion sensor, only turning on if both are detecting; turns off after 30 seconds of no detection. Screws and tape come supplied for easy and quick installation. This wall light is ideal for lighting small locations and is an outstanding safety feature to have in the home. A fresh seat of batteries will last, with average use, approximately 6-12 months. This Motion Sensor Wall Light is sold as a pack of three but is also available as a single purchase and with a White light instead of Amber from this area of the website.