| Technical Specification | |
| Model | VTH1520A |
| System | |
| Main Processor | Embedded Micro Processor |
| Operation System | Embedded LINUX OS |
| Video | |
| Video Compression | H.264 |
| 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 | 7“ 800×480, Resisitive |
| Operation Mode | |
| Input | Mechanical buttons |
| Interface | |
| Alarm In | 8 |
| Alarm Out | – |
| RS485 | – |
| Network | |
| Ethernet | 10M/100Mbps Self-adaptive |
| Network Protocol | TCP/IP |
| General | |
| Memory Slot | Embedded 4GB |
| Installation | Flush |
| Power | DC 12V/ supply directly by VTNS1060A |
| Power Consumption | Standby ≤1.5W, Work ≤7W |
| Working Temperature | ﹣10°C~+55°C |
| Relative Humidity | 10%~90%RH |
| Dimensions | 221.2mm×154.3mm×25.8mm |
| Weight | 0.8Kg |
