This auto PIR keyhole with 4 LED light use advanced PIR sensing technology, automatically identifies human body, light turns on when it detects people, and turns off automatically after 5-7 seconds. Mini and elegant appearance. Energy saving and long service life. With an adhesive tape, you can stick on the door; it automatically illuminates the keyhole of your door as you approaching, and no more fumble in the dark. A perfect item for kitchen, living room, bedroom, drawer, closet.