The Videx VR4K1S/CL is a vandal resistant 1 way surface mounted audio kit complete with keypad, based on the 4000 Series modular design. 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.
The Videx 4000 Series 4K1S/GSM “entry-level” surface mounted audio kit is a totally self contained GSM door entry system kit. There are also auxiliary input and outputs. The 4K1S/GSM/CL kit includes a door panel, Psu & antenna, requires only a Sim card, and can be programmed by either SMS or PC Software.