Rechargeable & Energy-Efficient: No external battery required and for wireless use. With 600mAh rechargeable battery can last at least 60 days on AUTO mode. It can last 13 hours at constant light mode.
Upgraded 2 Ways Wireless Installation: 1)Stick the 3M double-sided adhesive pad on the built-in magnet to any metal surface. You can peel and stick the light easily for re-charging; 2) Pull out the hook and hang it at the desired position.
Intelligent Sensor: In the range of 3-5 meters, the infrared can sense the body temperature and the light will automatically lights up and turns off in 20 seconds after leaving.