1byone Wireless Home Security Driveway Alarm, 1 Battery-operated / AC Adapter Receiver and 2 PIR Motion Sensor Detector Weatherproof Patrol Infrared Alert System Kit
Chamberlain CWA2000 Weatherproof Outdoor/Driveway Wireless Motion Alarm and Alert System, Includes 1 Battery/AC Powered Base Receiver and 1 CWPIR Sensor, Additional CWPIR Sensors Sold Separately