These motion sensor outdoor lights combine advanced sensor technologies. Day or night, the brightness of the bulb will be reduced to 40% after the startup is preheated, when human activity is detected, brightness will be increased to 100%, until 5±3 seconds after the human body leaves the detection range, the brightness level again dropped to 40%. The product will automatically enter AUTO MODE and the LED indicator will blink for 4 times when the time reaches 120±20 seconds after startup preheating. Ideal for doorways, gardens, garages, porches, yards, roadway, and commercial uses as overnight security, area lighting, etc.