Our mini PIR motion sensing switch is a small and effective low voltage on/off switch for 12-24VDC constant voltage LED lighting products. The sensor detects motion within a 10ft radius which then switches your lights on for 30 seconds or until no more motion is detected. With a 2.5 amp output this switch can control up to 30 watts of 12VDC lighting or 60 watts of 24VDC lighting using bare wire connections. The sensor is conveniently attached to a threaded bolt designed to be permanently installed in any 0.47"-0.50" diameter hole using a 15mm size nut. This product is only intended to be used in a dry environment, ideal applications include dark areas where a light switch is inconvenient such as laundry rooms, bathrooms, attics, basements, hallways, garages, sheds, and storage areas. For larger installations use with a single channel signal amplifier to increase the load output.