SECURITY TOWER. Security System Pedestal Towers These are used, good condition security systems. We have the following brands available: Sensormatic, Knogo, and Checkpoint (tower designs may vary according to system). ***All of these towers must be hard wired. Two styles available: Single door exit (2 towers) - $695.00 Double door exit (3 towers) - $895.00 *We also have tags, detachers, and deactivator pads available - sold separately. Price: $695.00 Unit: Set of 2 Brand: SensormaticKnogoCheckpoint Style: Set of 2 (for single door)Set of 3 (for double doors) (Add $200.00) Quantity: