【SMART MOTION DETECTION】Perfect for elderly family members walking through dark stairwells or hallways at night. This white adapter automatically illuminates when detecting movement within 3 to 8 meters. 【UNIVERSAL BULB COMPATIBILITY】Measuring 13.5 x 5.5 cm / 5.3" x 2.17", this white socket fits standard E27 threads. It easily supports LED, CFL, and incandescent bulbs up to 60W max load. 【EFFORTLESS SCREW IN INSTALLATION】Upgrade your home lighting in under 1 minute. Simply screw this device into your existing E27 ceiling light base without any complex wiring or drilling required. 【CUSTOMIZABLE SENSOR DELAY】Optimize your garage or basement illumination with adjustable settings. The auto off timer defaults to a 16/32/220 second delay after you leave, preventing wasted electricity. 【WIDE ANGLE COVERAGE】Ideal for busy laundry rooms or dark porches. Operating at 100 to 240V AC, the high sensitivity sensor provides a broad 180 to 360 degree coverage for instant safety. Package list: 1x Motion Sensor Socket