This passive infrared sensor (PIR) operates on 9-12VDC and has a form c relay output that can be hooked up normally open (NO) or normally closed (NC). It has a 40 foot (12m) detection distance and a swivel mount bracket that allows you to aim it your desired direction. This PIR sensor is perfect for and will work with any burglar alarm system. This PIR can also be used in place of a request to exit sensor on access control doors installations. 9V-16V DC Operating Voltage (18ma at 12VDC) with NC or NO Alarm Output Rated for up to 28VDC 100ma Advanced Image Sensor Eliminates False Alarms 40 Foot (12m) Detection Distance with Swivel Bracket that Allows You to Get the Perfect Angle For Detection Perfect Alarm System PIR Sensor for Residential and Commercial Uses.