Motion Sensor Light Bulbs

PIR Motion Sensor Included: High quality PIR infrared sensor is installed at the tip of bulb, so the motion sensor bulb will light up automatically while it detects motion within 8-10 FT in the dark, and automatically off after the motion ceased or disappeared about 45-60 secs. NOTE: Make sure the sensor is pointing down within proper distance and angle. To increase the bulb's sensitivity, you can adjust the Angle and Height of the bulb installation, make the sensor toward the direction people.