Upgrade your home's lighting and security with these upgraded motion sensor light bulbs. The PAR38 flood LED bulbs feature a PIR infrared motion sensor that detects movement within 8-16 ft. in the dark, automatically lighting up and turning off after 30-40 seconds. With a 20-Watt power consumption and 2000 lumens of brightness, equivalent to a 150-Watt traditional bulb, they save up to 85% energy. The 5000K daylight provides a natural-looking illumination, ideal for porches, garages, driveways, and work areas. A built-in photocell sensor ensures the bulbs only operate in the dark, enhancing energy efficiency. For home security, they can scare away intruders. The bulbs measure 1.97 x 1.97 x 2.17 in. and come in a package of 8.3 x 5.9 x 4.9 in. Simply keep the switch on and adjust the installation angle for optimal performance. These bulbs are a perfect choice for enhancing safety and convenience in your daily life.