MUJI Motion Sensor Light This light turns on for approximately 10 seconds when the sensor detects a person in a dark place. It can be installed in various locations using the magnet or hanging hole. The integrated sensor lens and body cover expand the detection range, allowing it to be used even when placed on a surface. Light source: White LED (built-in) Detection method: Brightness sensor, motion sensor Detection range: Approximately 3m / Horizontal and vertical approximately 100° Operating temperature: 5℃~30℃ Installation location: Indoor use only Requires 3 AAA batteries. AAA batteries are not included. Purchased 1 year ago and hasn't been used for the past few months. There are minor signs of use and scratches. Please understand that this is a used item. The box has been discarded, so the box is not included.