H.264，4ch real-time 720P AHD HD input or 4CH Analog HD camera input

9V-36V Wide voltage power supply ，Design of ultra-low power consumption

SD storage（Support 1pcs SD,Max:128G）,Can completely resist the car vibration and other cause data corruption.

Support 4ch alarm input，1ch alarm output(optional)

RS232 or RS485 extend (optional)

Support GPS/BD/G-SENSOR Module extend (optional)

3G/4G remote monitor (optional)；

Support Voice broadcast，talk-back and text scheduling distributed function ；Connect Oil flow sensor ,temperature sensor ,POS,LED advertising screen extend (Optional )

OTA equipment auto upgrade function ,maintenance more convenient.

Support Mobile phone monitor (3G,4G model)

High reliability aviation port，High perf