USEFULTEK LED Motion Sensor Light Bulbs-Dusk to Dawn Sensor Light Bulbs,Motion Activated Smart Bulbs,Auto on/Off for Outdoor&Indoor,LED Security Light Bulbs,7W(60W Equivalent),E26 Base,(2 Pack)

Key features

• PIR Infrared Motion Sensor:The infrared motion that at the top of the bulb,detects infrared waves which from moving object.The smart LED bulb will turn on automaticlly when the movement within 10-16 ft(13-20 ft in winter)in the dark.And then shut off 30-45 seconds after the motion decrease or disappeared.No need to switch on/off manually.
• Adcanced Dusk To Dawn Sensor:The built-in sunlight sensor will let the light bulbs work at night(≤ 15lux) and deactiva during the day(even with motion detective).For the first time use during the day,it will turn on for 30 seconds and then off when you turn the switch on.
• Energy Saving & Long Life Bulb:The 7W LED bulbs equivalent to 60W traditional light bulbs, saving 85% energy, and sharply decrease your electricity costs.This Energy efficient bulb lasts long lifespan of 30,000 hours,10x longer than incandescent and 4x longer than halogen bulb,saving the cost of bulb replacement.
• Comfortable Lighting:The smart bulb offer confortable ligthting with high CRI+85(High color renderring index),no flicker/flash,and designed for the confort of your eye.
• Warm Tips:1.Make sure the sensor is pointing down with the proper distance and direction to increase the bulb`s sensitivity.2.The recommened installation height is 6.5-9.8 ft,and don`t covered with a glass or closed fixture.3.Keep the switch on.