Soap Brite only turns on when both darkness and motion are detected. It senses motion up to 10 feet away. It works with your favorite hand soap, dish soap, liquid hand sanitizer, and lotions. Choose from 7 soothing colors. The soft glow will turn off automatically after 30 seconds This is battery powered and has an easy to use pump. It stay cool to the touch and its water resistant base means you can safely leave it next to any sink in your home