PIR Motion & Light Sensor: Automatically turns on within 13 feet when motion is detected in low-light conditions. Turns off automatically after 20 seconds of no motion to help extend battery life. Only activates in darkness when motion is present. Super-Bright LED Bulbs & Long Life: Features 2 built-in LED lamp beads that provide bright illumination for visibility in the dark. LEDs last up to 50,000 hours and remain off during daylight hours. Wireless Installation: No wiring required. Mounts easily using included double-sided adhesive pads and screws for flexible placement. Battery Operated: Powered by 4 AAA batteries (not included), making it portable and ideal for use during power outages or in closets. Note: This light only operates in dark environments and will not turn on if sufficient ambient light is detected. Do not install in high-temperature or damp locations such as bathrooms or wet outdoor areas.