- Four door answering device
- For use on up to 4 doors
- Push a button to initiate two-way communication from the door speaker to telephone then dial a programmable code to unlock the door
- Activates door locks
- Door unlock contact cl
- For use on up to 4 doors
- Push a button to initiate two-way communication from the door speaker to telephone then dial a programmable code to unlock the door
- Activates door locks
- Door unlock contact cl

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