Demo video -- https://www.youtube.com/watch?v=BYVyly4AkSo

Description
It is an integration of "4 monitoring and recording", "million pixels digital & analog mixed car DVR" and "wireless data transmission".
This 4-channel car video recorder assists you in recording driving route, license numbers, the situation that passengers get on or off the car and what happened when you're not in the car. Adopting high grade industry standard and designed according to the various operating environment in different cars, our 4-channel car video recorder is featured with diversified recording modes, compact size, easy installation, shock & heat resistance and stable performance. A helpful companion for all car owners

Features:
No-seam recording technology.
Compression mode. Support 4CH real-time 1080P million pixels AHD input and analog standard definition camera input, or 2CH HD input + 2CH SD input.
Exclusive pre-allocate DVR special file dystem technology. Solving repeatedly wipe cause file fragmentation, solving SD card file system collapse, data loss and cannot find SD card and file garbled, ensure the integrity of the data.
Support GPS/BD/G-SENSOR.
SD card storage maximum up to 128GB.
Support IR remote control.
Special design of encryption to protect recording files.
Support wide range of voltage input from 8V to 33V.
It can be completely resist car vibration, dust and other cause data corruption.
High reliability aviation plugs. Simple and clear operation menu.

Specifications:

General:
Compatible with: apply to all kinds of cars
Operating language: Chinese/English
Voltage: 8-36V DC
Power output: 12V
Working temperature: -40℃-80℃
Account: bsa3066
Password: 000000
Pixels: 130 megapixels

Video
Video compression: H.264
Video input: 4ch
Video output: 1ch
Video standard: PAL, NTSC, CIF, HD1, D1, 720P
Video quality: 0-7 levels, 0 is the highest level, 7 is the lowest level
Resolution: 720P/D1/HD1/CIF, MAX: 4 channels of 1080P
Preview: support 1 channel and 4 channels preview, support Manual/Alarm Trigger full screen preview
Record mode: auto / timed / alarm trigger / manual recording

Audio
Audio compression: G.726 compression, 8KB/s speed
Audio input: 4CH, aviation plug
Audio output: 2CH, front port is earphone port, rear port connects to BNC connector
Output level: 1V - 2V
Built-in Wireless transfer: built-in 3G/4G network
Remarks: before you place the order, please kindly check whether your local SIM card network is below bands or not:
(  4G/LTE:FDD,2100(B1)/1900(B2); 3G/WCDMA:2100(B1)/1900(B2)850(B5); 2G/GSM:1900(B2)/850(B5)  )
Position: built-in GPS/BD module
G-Sensor: support
Voltage & Power Consumption
Voltage input: 8V-33V
Voltage output: 12V/2A
Power consumption: normal working<5W, stand-by status<0.5W

Package List:
1 * Mobile DVR
1 * Power Input Cable
4 * Audio / Video Cables
1 * AV Output Cable
1 * 4G Antenna
1 * GPS Antenna
1 * Remote Controller
2 * Keys
1 * English User Manual