Microwave Radar Motion Sensor & Light Sensor LED Light Bulb, 8W (60W Equivalent), 6500k Cool White, E26 Medium Screw Base, UL Listed, 1 Pack Motion sensor and light sensor: The light will be turned on when the ambient light is low or dark and movement object goes into the effective area; And the light will be turned off after 20-25 S when the body leaves the effictive area or the body keeps motionless. Range of motion detection: 6-10 meters Safety and energy saving. Save 80% on your electricity bill. Offers a wide range of solutions for household applications and open areas (such as underground garage) Strong anti-interference, low power-wear and long life-time.