1920 x 1080 pixels Channels quantity: 4 channels Internal 4G Wi-Fi Ethernet LAN Power supply type: DC Black Mobile DVR / Car DVR (with 3G, 4G, GPS, Wi-Fi) for vehicle real time monitoring, applied with Cameras used for vehicle monitoring in bus, taxi, school bus, truck, police car, tour bus, tanker truck, escort car, etc. Operated with Client Software BMMS (Bolide Mobile Management Software) to realize fleet management online, and achieve a full range of car monitoring functions such as real time video & audio monitoring, GPS, car tracking, GEO - Fence, voice intercom, car temperature, alarms customized , driving route record, PT2 control, fuel volume detection, video search and download, generating reports, etc. Performance Product colour Black Channels quantity 4 channels Compatible memory cards SD LED indicators Yes Operating system installed Linux Languages support Traditional Chinese, English Audio input channels 4.0 channels Audio output channels 2.0 channels Internal Yes Video c