2. Power Supply:

1) Wide operating voltage: 9V to *6V DC (up to standard of ISO****-P5A***0V/GB/T*****6/RE EN****2).
2) Under voltage, short circuit, reverse polarity protection, suitable for a variety of vehicles.
3) Automatic identification power supply type; automatic shutdown with low battery voltage; very low power consumption when ignition off.

3. Data Storage:
1) Using special file management mechanism to encrypt data for the effective protection of data security.
2)Proprietary SD card bad sectors detection technology, ensuring the continuity of video and extension of SD card span life.
3) Built-in super capacitor for power off protection to avoid data loss.
4) Support SD card up to **8G.
 

4. Specifications：
1) System Main processor: Hi***0DV**0
2) Operating system: Embedded Linux
3) Language: Chinese/English (other languages can be customized)
4) Interface: Graphical menu, support mouse
5) Password security: Two-level management: user password; administrator password
6) Video format: PAL/NTSC
7) Compression format: H.**4（Main Profile) 
8) Pixel: **0P /**0H/D1/CIF
9) Playback: CIF/D1/**0P
*0) Combinations: 4ch **0P/4ch **0H/2ch **0P*2ch **0H
*1) Decoding capability: 1ch real time **0P
*2) Video quality: **6 levels for choice
*3) Screen display: 1/4 screen display
*4) Audio compression: G.**6
*5) Audio recording: Audio and video recording synchronization
*6) Recording type: Manual, alarm
*7) Video bit rate: Full frame ***6Mbps, 6 levels of video quality for choice
*8) Audio bit rate: 8KB/s
*9) Storage: SD card
*0) Video search: Search by channel, video type
*1) Local playback: According to file
*2) Upgrade Model: Manual/auto/remote
*3) Upgrade method: USB interface, wireless internet
*4) Audio/video : 4ch aviation connector interface
*5) Audio/video output: 1ch VGA video output, 1ch aviation connector audio/video output.
*6) Alarm : 4 digital s (2ch positive and 2ch negative trigger)
*7) SD card: 1*SDXC card (**8G at max)
*8) USB interface: 1 * USB 2.0（supports U driver, keyboard and mouse) 
*9) Ignition : 1ch ACC signal
*0) RS**2 interface: 1ch RS**2 interface
*1) LED lights: PWR/RUN/DISK/WIFI/GPS
*2) SD card lock: 1
*3) Debug serial port: 1*serial system debugging
*4) Others Power : DC: 9V~*6V (ISO***7 P5A **0V) 
*5) Power output: 5V**0mA
*6) Power consumption Standby: 3mA, at working: *2W, Work full: *8W 
*7) Operating temperature: **0 to **0 degrees
*8) Storage capacity: **0P *0G/day/channel ; **0H ****0G/day/channel
*9) Size: **2***2**2(mm).

5. Packing includes as photos showed below:

1PCS SW-MAVR***4 + 1PCS AV cable+ 1pcs I/O cable + 1pcs power cable + 1pcs key + screws