Material: PC+alloy+electronic components Sensing mode: human body infrared sensor motion and night sensor human body infrared sensor mode can detect human body motion in the dark or during the day and automatically turn on within 3m, the delay time and power-on self-test time are both 15 seconds, the light will be within the detection range If no human infrared rays are detected, it will automatically turn on after 15C. It turns on automatically when it detects movement within a range of 3-5 meters and 120 degrees. It will automatically turn off after 15 seconds if no motion is detected. Stronger and Brighter Design: The lamp life is up to 500,000 hours. Energy-saving LEDs, bright and pleasantly illuminate dark rooms. USB Rechargeable: This under cabinet light has a built-in large battery. Charge easily with the USB charging cable (included). The red light is for charging, and the green light is for fully charged. The charging time is about 3 hours. Energy conservation. Please fully charge it for the first use.