Four-Pack Aukora Motion Sensor Light Bulbs, 12W (100-Watt Equivalent), E26 Specs: Output Power:12W(100-Watt Equivalent); Input Voltage: AC120V; Cold White (6000-6500K); Luminous: 1000lm; Lamp Style:E26; Working Temperature: indoor use and outdoor use if outside temperature is between 14F(-10C) and 95F (35C). Please do not install in a glass cover. 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. Built-in Dusk to Dawn Sensor: This smart bulb will automatically switches ON at dusk when the motion sensor is activated and OFF at dawn.(Turn on below about 15Lux and off about above 30Lux) NOTE: Will not turn on in the daytime even when they detect motion. And if you use it for the first time during the day, it will turn on for 30 seconds and off when you turn on light switch. Energy Saving and Usage Occasion: These security motion sensing bulbs only light up in the detective range at night or in dark environment, energy-saving, environment protecting and long life, can be use in?stairs, hallway, bathroom, front door, storage room, garage, balcony, gate and so on. The higher you hang the bulb, the larger detection range it achieves as the highest could be 10 feet vertically. Package Includes: 4 x Aukora Cold White Motion Sensor Light Bulbs, 1 x manual. Welcome to use Aukora's products, you will get the best after-sales service. Our Friendly Service - 24 hours email customer service response.. Enjoy Your Colorful Life, Just Start From Aukora!