Turn on lights instantly when a visitor arrives at your home. The Motion-Activated Security Light connects to an outdoor electrical box and receives wireless signals from the included motion detector, which can be mounted up to 100 feet away. The light fixture will hold two bulbs of up to 150 watts each. The motion sensor runs on four AA batteries, sold separately.The Motion-Activated Security Light alerts you when someone enters its detection zone. The signal passes through doors, walls and floors. This sensor is weather-sealed for outdoor use and long life. The light will shut off after 6 seconds, 3 minutes or 10 minutes after motion has stopped, user adjustable, and an activation switch is included to specify day or nighttime operation. A remote control is included with the Motion-Activated Security Light to trigger the lights to turn on whenever you want, but this motion sensor won't miss a beat with its wide, 140-degree by 60-foot detection zone.