| Model | DS7504 | ||
| System | Chip | Hisilicon Hi3536D chip | Hisilicon Hi3520D chip |
| Display screen | 1/4 screen | ||
| Video | Video standard | PAL(625lines,50fps);NTSC(525lines,60fps) | |
| Quality | VGA:HD;HDMI:HD | ||
| Encode capability | 1080P/960P/720P/960H/D1/HD1/CIF/QCIF | ||
| Digital input | 4*4MP | 4*1080P | |
| Motion detection | Each channel can set 192(16*12)detection area;can set multi-level of flexibility | ||
| Video Compression | H.265+ | H.264+ | |
| Playback | Record mode | manual>alarm>motion detection>timing | |
| Local playback | 4ch :Single real-time playback | ||
| Video search | time,date,event,channel search | ||
| Record | Space occupation | 720P: 40G/day/channel 1080P:50/day/channel | |
| Video storage | Local HDD ,network | ||
| Back up Mode | Network backup,USB portable HDD,USB imprint | ||
| Port | Video input | No | |
| Video output | 1ch VGA output ,1 ch HDMI output(support 1920*1080P) | ||
| Network port | RJ45 10M/100M self-adaptive Ethernet port | ||
| PTZ control | No | ||
| USB port | 2 USB port | ||
| POE Port | 4 POE Port | ||
| Power supply | 52V power supply | ||
| Transimission Distance | 100-250 Meters | ||
Tags: Security