Mini High Definition Vehicle 4 Channel Sd Card Video Recorder

Highlights for VM-1504N-HD Series:
1. Cost effective: With low price to enjoy high definition experience;
2. Compatibility: Compatible with both common analogue cameras and analogue high definition cameras;
3. Compact Size: 112(W) x36(H) x138(D) mm, Weight: 360g
4. Dual SD cards supported: Maximum supports two SD cards 128GB each.

Main features:

1. Power failure protection.
2. Wide voltage (8-36V, 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.

Visionmaster Industrial Co., Ltd. is a leading video surveillance solution provider with global perspective. Before we got this new company name(Visionmaster), we have been in the field for 8years. Our team has been steadily growing from the initial 3 founders up to more than 100 employees. Through our dedication to customer-centric innovation and strong partnerships, we are creating maximum value for international distributors, installers by committing end user competitive mobile surveillance and DVR solutions. Our solutions have been deployed worldwide among various applications including public transportation, school bus, law enforcement, private fleet, logistics management, railway and metro, mobile media operation, etc. We continue to enjoy rapid and steady growth and would like to invite you to be part of our global success. Please do not hesitate to pick up the phone or send us an email to find out how.

Q:When Device issue appear,you are confused on how to solve it.
A:Check Device Item No & Firmware Version,sent back to us with detail description of issue.Our Technical Team will      

   handle it.More detail you described,easier for us to solve it quickly.
Q:Video Output Lost
A:1.Check situation of DVR:Device Input Power;Power Cable Connection;GND Connect to battery;fuse;RED & Yellow     

       Cable of Power must connect together;
2.Check the Screen Power or Check if the Screen change to related AV Channel;
3.Check the connection of Video Output & Screen Cable;
Q:Device keep Rebooting
A:1)Check working power,if low power device will keep rebooting;
2) HDD/SD Card error, remove storage device and turn on device checking;
Q: If the video input interface of the device and camera is different.
A:The DVR is using 4 needle type port, the camera is BNC port or Aviation, if it is different, please use the X-over to connect, or connect according to the DVR Line sequence definition