3000 series intercom for VX2300 system, 5 buttons for functions: door opener, intercom call, and remote relay activation Cod. 2305. Local call input. Adjustment of call volume (3 levels) and number of rings. Standard intercom function for up to 8 devices in the same column or junction box. White ABS material. BUS power supply. Dimensions: 85x218x55mm. Wall-mounted, optional table base cod. 3038.