Up to 3 handsets can be connected to each button, making it ideal for bigger apartments.
The VR4K1S/CL incorporates two way speech, an electronic call tone, a lock release facility and three LED’s which display the confirmation of call, when the line is busy and when the lock is released.
The incorporated keypad can be programmed from 1 to 99 seconds or latching output, and has 2 codes, 2 changeover relay outputs & an override input.





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