ELFBULB 3D face Recognition Automatic Fingerprint Smart Home Security Door Password Lock
- Dual Gate Locks, Multi-Access, Used for School Districts, Federal Government, Utility Companies & More!.
- Accommodates Up to 3 Locks Per System, padlocks not included.
- Daisey Chain Padlocks, Gate Lock, Easy to Use, High Security Lock System.
- Provide Multiple Useres Access to Gates, Doors, Structures.
- Package Includes: 1 U-Bolt, 2 Single Links & 1 Double Link.