Home Slickdeals Guardline Wireless Driveway Alarm – 1 Motion Detector Alarm Sensor & 1... Slickdeals Guardline Wireless Driveway Alarm – 1 Motion Detector Alarm Sensor & 1 Receiver, 500 Foot Range, Weatherproof Outdoor Security Alert System for Home & Property $50.99 By ARCOM - 21 June 2021 62 0 SHARE Facebook Twitter Go to the deal page: Guardline Wireless Driveway Alarm – 1 Motion Detector Alarm Sensor & 1 Receiver, 500 Foot Range, Weatherproof Outdoor Security Alert System for Home & Property $50.99