MOTION SENSOR: Using advanced PIR detection technology, automatically identifies human body. Automatically turns on and off after about 5 seconds. GLOSSY LED BULBS: This light only activates in the dark, 4 LED bulbs are bright enough to ensure the keyhole can be seen at night without keeping the porch light on. FOR ANY USE: This kind of small lamp provides a soft light ideal for bedroom, nursery, closet, closet, cabinet, hallway, workshop, basement, garage, the stairwell, the oil deposits, the roof, the door, the drawer, the trunk, the driveways and many other places. BATTERY OPERATION: They are powered by 1 AA battery (not included), please make sure the batteries are placed correctly. EASY INSTALLATION: Come with adhesive sticker, it can be easily pasted on the door. Use and use easily. Note: 1. The light only works at night or in the dark. 2. With adhesive tape, you can stick it on the door; it automatically illuminates the keyhole of the door when approaching. 3. Using advanced PIR detection technology, automatically identify human body: turns on when it detects people, and automatically turns off after 6-8 seconds. 4. The light is not waterproof. Do not install it in a very humid place. 5. Powered by 1 * AA battery (not included).