| | Model | TVB3704BL_S1 |
| system | Master chip | MC6630 |
| AD chip | 2816 |
| RAM | 1G |
| Compression format | H.265 |
| operating system | Embedded Linux operating system |
| video | Input | 4 |
| Preview | 4*1080N@25fps |
| Coding | 4*1080N@25fps |
| Decoding | 1*1080N@25fps |
| Channel mode | Support any channel mode combination (1080N analog + 1080P digital) |
| VGA output | 1080P |
| BNC output | not supported |
| HDMI output | 1080P |
| Audio | Audio Input | 1 |
| Audio output | 1 |
| Coaxial audio | not support |
| Two-way intercom | support |
| Playback | Number of real-time recording channels | 4-way non-real-time |
| Video mode | Timing, manual, motion detection |
| The number of simultaneous playback | 1 |
| Search mode | Point-in-time search, calendar search, event search, channel search |
| Backup | USB mobile hard disk, U disk | support |
| USB DVD burner | support |
| Format | H.26X、AVI |