Automatic induction lighting: Built-in motion and light sensors, automatically light up when motion is detected within a 120-degree range and 3 meters away, providing convenient lighting. Energy-saving design: If no motion is detected, the light will automatically turn off after 15 seconds, effectively saving energy and extending battery life. Easy to install: Equipped with 3M adhesive, no drilling or wires are required, easily installed in stairs, wardrobes, corridors, children's rooms and other places where lighting is needed. Versatile application: Suitable for a variety of occasions, such as stairs, indoor motion detectors, night lights, LED lighting, etc., providing safety and convenience. Battery-powered: Each indicator light is powered by 3 AAA batteries (batteries need to be purchased separately), which is easy to replace without worrying about power location restrictions.