Ghost Controls AXZL Gate Latch/Lock, Automatic, Aluminum, Powder-CoatedThe ZombieLock is a superior lock or latch for automatic gate opener systems to keep your vehicular driveway gates securely latched in the closed position. This lock is controlled by the gate system controller and is automatically released before the gate operator begins opening the gate. This feedback loop prevents the gate opener from moving the gate before the lock is fully disengaged. Unit: EA UPC: 855615006158 Model Number: AXZL