Main Features: ●Built-in 2CH 1080P camera Real-Time Record,one lens facing to road,one lens In-cab facing to driver. ●Dual lens installation angle rotatable and lockable. ●Support Extended with 2CHx720P + 1CH IP camera as additional connection cameras,Max 5CH recording. ●4G,WIFI & GPS function,CMSV6 platform management. ●Lockable Micro SD Card slots,support Max 2 x 256 GB Micro SD card and 2TB Hard Drive(optional). ●UPS built-in (working 30 minutes after power failure) (optional). ●Built-in G-sensor,6 x Trigger inputs+2 x alaram outputs(Oil cut / power off)+1*RS232+1*RS485. ●With SOS Panic button,Accident alarm and data upload. ●DC8-36V Voltage & Heat Reduction Design.