4ch mobile dvr data recovery hard disk sd card video recorder
VISIONMASTER PRODUCTS' Advantages :
1. Power failure protection.
2. Wide voltage (6-48V, Seldom other companies can achieve this function, other companies only can achieve 8-36V).
3. OTA function support. (Upgrating DVR software automatically, better after-sales service for you.
4. A SMS can get DVR situation feedback from DVR
5. Industrial level design. (More professional and better quality.)
6. Modular design. (To prevent a module error while affecting the entire product.)
7. Encrypt video format. (To prevent data loss)
8. Current and voltage over protection.
9. Wide working temperature. (-25°C- +75°C).
10. Data redundancy technology. (To prevent data loss)
11. Excellent vibration protection.
Highlights for VM-3104-HD Series:
1. Extended functions: 8channels alarm input, 2channels alarm output; RS485 port*2; RS232 port*3;
2. Compatibility: Compatible with both common analogue cameras and analogue high definition cameras;
3. Storage: Maximum supports one SD card up to 128GB and one 2.5inch hard disk/SSD up to 2TB;
4. Design: Beautiful appearance and strong structure with convenient HDD box design.