Guardline User Rating: Be the first one! AllFavoritePopularMost ratedExpired Added to wishlistRemoved from wishlist 0 Add to compare Motion Sensors Guardline Wireless Driveway Alarm – 2 Motion Detector Alarm Sensors & 1 Receiver, 1/4 Mile Range, Weatherproof Outdoor Security Alert System for… ★★★★★ $89.21 Buy product Added to wishlistRemoved from wishlist 0 Add to compare Motion Sensors Guardline Wireless Driveway Alarm – 1 Motion Detector Alarm Sensor & 1 Receiver, 500 Foot Range, Weatherproof Outdoor Security Alert System for… ★★★★★ $439.88 Buy product