Function:
Dual relay output for power outage alarm and door opener Dual alarm input ports for safety sensor connection Sturdy ABS box with excellent gain antenna. Rainproof design, safe installation of key lock, easy maintenance Walkie talkinig guest audio call button Uses GSM remote emergency call points. Innovative waterproof locking design and stainless steel panels. Dials up to two phone numbers on your phone or landline phone. Break resistant design and solid stainless steel call point The front panel can be installed without screw locks for easy installation. Dual relay output for easy control of door opener or alarm components. While talking with visitors, push the remote control relay output from the keyboard. This device produces high quality voice calls with up to two numbers. If the person answers want to allow access, simply press the button on the handset to release the onboard relay 200 phone numbers make free calls to trigger onboard relays This system provides two-way voice and calling ID access control allows the user to call the device with a known number