| Technical Specification | |
| Model | VTH1200DS |
| System | |
| Main Processor | NEC MCU |
| Operation System | Simple OSD message |
| Video | |
| Video Onput | 1ch CVBS analog video |
| Audio | |
| Audio Compression | G.711 |
| Audio Input | All-direction Microphone |
| Audio Output | Built-in Loudspeaker |
| Bidirectional Talk | Support Dual-way Bidirectional talk |
| Display | |
| LCD Screen | 4.3“ 480×272 |
| Operation Mode | |
| Input | Mechanical buttons |
| Interface | |
| Alarm In | 4 |
| Alarm Out | 1 |
| RS485 | – |
| General | |
| Insatllation | Surface |
| Power | DC24V |
| Power Consumption | Standby ≤1.5W, Work ≤4W |
| Working Temperature | ﹣10°C~+55°C |
| Relative Humidity | 10%~90%RH |
| Dimensions | 192.0mm×150.0mm×12.5mm |
| Weight | 0.4Kg |
