| | Model | TVB3704BS_S1 |
| system | Master chip | MC6630 |
| | AD chip | 2830 |
| | 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 | 4 |
| | 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 |
| remote access | Client | Support VMS |
| | APP | Support for iPhone, Android |