HIKVISION 4-WIRE ANALOG INTERCOM KIT
Door Station/Video Parameters Resolution: 1920 × 1080 Lens: 1/2.7" CMOS Door Station/Audio Parameters Audio Input; Built-in omnidirectional microphone Audio Output; Built-in loudspeaker Door Station/Device Interfaces I/O Output; 1 relay output Four-Wire; 1 four-wire interface...