Feature: ★ Embedded compact design, low power, highefficient H.264&H.265 compress, high reliability. ★ 4CH 1080P 720p HD recording,support 2*128GB SD card(support dual SD card) ★ Optional 4G, GPS, WIFI functions. ★ Built-in G-sensor. ★ Data protection when in sudden power off. ★ Rich external ports, incl. 2x RS232, 1x RS485, 3x alarm in & 1x alarm out ports, VGA etc. ★ Auto image switch of car left/right turning, backing change. ★ With a simple hard disk installation and a good and reliable anti-shake protection system. ★ Directly mouse controlled menu entering. ★ Export of video recordings directly via USB port. ★ CMS platform ability for big fleet and user management. ★ Simple easy to operate video playback software. ★ Professional power design for all kinds of vehicles,8-36V DC. ★ Support DC 12V/4Amp output,it can offer power for cameras,mini monitor and some peripheral device. ★ WatchdogAbnormal will trigger restart protection function.It can better protect device and video. ★ Exclusive pre-allocate DVR special file system technology,solving repeatedly wipe cause file fragmentation,and ensure the integrity of the data. ★ By accidents power-off protection function.Unique UPS technology ensures the integrality of record when power failure occurs,even can for 10~15s. ★ Flame out time-lapse video recording function(highest support long delay time 24hours) ★ Auto recording,time recording,alarming recording modes for different request. ★ Display vehicle traffic status,vehicle numbers,route,super-low speed vehicle information,convenient management. ★ Support SD card remote software upgrade/OTA remote upgrade automatically. ★ Can be batch functional customization according to customer's requirements.