This system is a combination of a doorbell interphone and a repeater. The function is to combine the doorphone and the electric lock with the telephone or PABX system in the home. The extensions of the PABX or the telephone can answer the visitor at the entrance and open the electric lock.

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MODEL：DP-211， The indoor unit and the outdoor unit can be paired with one outside to one inside/two inside/three inside/four inside, two outside to one inside/two inside/three inside/four inside.

7 inch Hands-free Color Video Security Door Phone with IR Night Vision for Home Security

This system is a combination of multi-doorphone and multiple switches. The function is to combine doorphone and access control system with guardhouse. The building occupants can access the door by card-reading or password-entering. The visitor can call the resident or guardhouse through the doorphone. The voice and image are loud and clear, support cat5e network wiring,so the failure rate is low, and maintenance is easy.

This system is a combination of a tetephone intercom, a repeater and one PABX. The function is to combine telephone intercom and electric lock with the home telephone or PABX system. The extensions of the PABX or telephone can answer the visitors at the entrance, and open the electric lock.

High-quality hand free dial intercom, emergency one-touch dial, busy tone automatically hang up, ring tone automatically pick up,  multiple splash design, waterproof moisture The battery-free external power supply can be used as an extension of an analog PABX. Scope of use: elevator emergency intercom, telephone doorbell intercom, bathroom telephone, hotel room telephone, customer service telephone in public places, etc.