Replacement motion sensor for security lights, requires 120 volt AC, 60 Hz. Pulse Count technology reduces false sensing from wind and rain. 2 level lighting, low-level accent light adjustable timer settings include off, 3 hour, 6 hour, and dusk to dawn,and full bright when motion is detected. Automatically turns lighting off with time delay of 1, 5 or 10 minutes. Automatic photocell deactivates unit in daylight to save energy. Manual override turns light on or off when wired with a wall switch. Allows light to stay on continuously all night when needed. Range can be adjusted from 15 ft up to 100 ft , varies with surrounding temperature. Sensing angle of 240° .