Motion Sensor Light with Built-in PIR Infrared Sensor. This LED ceiling light activates instantly when motion is detected up to 18 feet away in low-light conditions. The light automatically turns off after 20 seconds when no further motion is sensed, helping to conserve power.Two Operation Modes Available. A switch located near the motion sensor controls the photocell function. When the switch is on, the light operates only at night and remains off during daylight hours. When the switch is off, the light can activate regardless of ambient light levels.Battery-Powered Design. Operates on 4 D-cell alkaline batteries (not included), providing illumination for up to 6 months with typical usage of 20 activations per day. Effectively lights areas up to 300 square feet.Bright and Efficient Lighting. Equipped with 118 SMD2835 LEDs, this light delivers up to 300 lumens of brightness, offering wide and even illumination. Ideal for preventing trips or falls in dark areas, enhancing safety for family members throughout the home.Easy Installation and Wide Application. No wiring required. Installs quickly in minutes. Suitable for use in bedrooms, bathrooms, hallways, staircases, basements, workshops, entryways, driveways, and other indoor or covered outdoor areas. Helps reduce the need to leave lights on continuously.