Home Slickdeals Guardline Wireless Driveway Alarm w/ 500′ Range (1 Sensor + 1 Receiver)... Slickdeals Guardline Wireless Driveway Alarm w/ 500′ Range (1 Sensor + 1 Receiver) $29.50 + Free S/H By ARCOM - 4 July 2022 59 0 SHARE Facebook Twitter Go to the deal page: Guardline Wireless Driveway Alarm w/ 500′ Range (1 Sensor + 1 Receiver) $29.50 + Free S/H