| video input | 4 (PAL/NTSC ) BNC, 100fpsPal;120 fpsNTSC |
| Video output | 1 BNC |
| Color system | PAL or NTSC |
| Recording | 4 channel record at same time |
| resolution | PAL: 704*576 ( D1 ); NTSC :704*480 (D1 ) |
| Video playback resolution | PAL : 352*288 ( CIF ) ,704*288(2CIF) NTSC : 352*240 (CIF ),704*240(2CIF) |
| Record operation | manual or time setting |
| Compression | MPEG-2 |
| Video fps | PAL:125fps setting ; NTSC:1-30 fps setting |
| Harddisk support | 1pcs SATA harddisk (2.5 or 3.5 ) |
| USB connector | Support |
| Remote contorl | Support |
| Anti shock | Special double whole anti shock (patent design |
| Power input | DC 6V-30V |
| Working temperature | - 10 ~ +55 centigrade |
| Working humidity | 10 %~ 90 % |
| Packing | Neutral paper box |
| Weight | 2.5Kg |