Motion Sensor Light with built-in PIR infrared motion sensor. This LED ceiling light turns on instantly when motion is detected up to 5.5 meters away in low-light conditions. It automatically turns off after 20 seconds when no further motion is detected, helping to conserve power.Two operation modes: A switch located near the motion sensor controls the photocell function. When enabled, the light only activates at night in dark environments. When disabled, the light responds to motion regardless of ambient light levels.Powered by 4 D-Cell alkaline batteries (not included), this light illuminates an area of up to 180 square feet. With typical usage of around 20 activations per day, battery life can last up to 6 months.Features 80 bright SMD2835 LEDs that deliver up to 300 lumens of illumination, providing even light distribution in all directions. Ideal for ensuring safe movement in dark areas and helping to protect family members from accidents in low visibility.Tool-free installation, no wiring required. Installs quickly in under 5 minutes. Suitable for use in bedrooms, bathrooms, hallways, staircases, basements, workshops, entryways, driveways, and other indoor or covered outdoor areas.