Home Slickdeals Guardline 500-ft Long Range Wireless Driveway Alarm (2 sensors + 1 receiver)... Slickdeals Guardline 500-ft Long Range Wireless Driveway Alarm (2 sensors + 1 receiver) – $49 By ARCOM - 14 February 2022 47 0 SHARE Facebook Twitter Go to the deal page: Guardline 500-ft Long Range Wireless Driveway Alarm (2 sensors + 1 receiver) – $49