Car parking lock

Features: 1) Used for locking parking area to protect from other cars parking inprivate parking area 2) Automatic remote control up and down 3) Backup battery can be used for about 6 months 4) It is easy to remove the battery and charge it 5) Stop the lock if something blocks the lock while unlocking 6) Stop the lock if something blocks the lock while locking 7) Waterproof and highly reliable Inner packing:Plastic filmOuter packing:Strong cartons