1、Intelligent: when people are in the range within 4 to 6 meters, light bulb will turn on and off automatically 2、The PIR infrared motion sensor bulbs contain the daylight sensor detector which only light up during the night time 3、It is easy to install for the E27 socket you just screw the bulb in it and turn on the light 4、12/18/24 leds with 6000-6500k light provide enough brightness, also energy saving 5、Can be installed in basement, bathroom, corridor, porch, hallway, stairs or the entrance Description: These intelligent LED lamp bulbs let you hand-free and you do not worry about you and your household forgot to close the light. They are also good for the kids and our elder parents who no need to find the switch in the dark room. Features: Intelligent: when people are in the range within 4 to 6 meters, light bulb will turn on and off automatically. The PIR infrared motion sensor bulbs contain the daylight sensor detector which only light up during the night time. It is easy to install for the E27 socket you just screw the bulb in it and turn on the light. 12/18/24 leds with 6000-6500k light provide enough brightness, also energy saving. Can be installed in basement, bathroom, corridor, porch, hallway, stairs or the entrance. Specification: Condition: 100% Brand New Material: PVC Bulb Type: E27 Sensing Distance: 4-6m Sensing Angle: 120° Color Temperature: 6000-6500K, White Bead Model: 5730 LED Quantity: 12LED, 18LED, 24LED Luminous Flux: 300LM, 400LM, 550LM Product Size: Approx. Package Weight: Approx. 55g~81g Package Included: 1 * LED Lamp Bulb Note: When connected with power at first time, the bulb will self test (flash two times), and then wait for 15-20 seconds to start work stably.