Automatic Sensing With passive infrared technology, it can be detected by the motion of a human in the dark. Lights is auto-on within 10 feet, auto-off after 20 seconds of no motion detected helps prolong battery life. Product Size (LxWxH): 7.5 x 1.3 x 0.5 inch Package Size (LxWxH): 8.0 x 4.3 x1.2 inch The PRIORARE Motion Sensor Closet Package Include 3 X LDE sensor cabinet light 3 X magnetic strip 2 X USB cable 1 X User Manual LED: high efficiency, power saving, long life, energy-saving, environmental protection, human body infrared detection, and sensing technology: highly sensitive, anti-interference. Inductive control design can achieve people's lightness, automatic delay and extinction, save energy and worry, no longer worry about forgetting to turn off the lights and liberate themselves. A built-in optical fiber sensing device, automatic recognition status day and night, automatic standby during the day, night induction lamp, energy-saving, and environmental protection. Built-in 800mAh lithium battery, it can be charged via USB cable and compatible with power bank, PC USB port, phone charger, etc. Three light modes: white light, warm light, white light and warm light, which kind of light can be manually adjusted.