4 channel mobile dvr recorder with sim card

Product Features

Supports 4 channels of AHD high-definition input 1080P*30FPS, 720P, D1, CIF resolution, etc.; supports connecting to IPC and using the network port;
Video files use H.265&H.264 codec to save storage space and transmission traffic;
Supports 4 audio inputs, 1 audio output; 1 voice intercom; external speakers available;
Supports 1 CVBS video output (optional 1 VGA video output);
Supports manual or scheduled recording on 2 SD cards, with a maximum capacity of 512GB;
Supports 1 USB 2.0 interface, which can be used to export video files and use the mouse;
Supports 1 SIM card 4G communication and Internet access; supports Beidou 3/GPS dual-mode positioning; supports built-in WIFI function;
Support emergency alarm function and 4-way switch signal input, 1-way switch output, 2-way RS232 serial port (optional 1-way RS232, 1-way RS485);
Built-in AI intelligent algorithm supports ADAS, DMS, and BSD detection;
Support mobile APP, client, platform software preview video and parameter configuration;
Dedicated file system improves disk reading and writing efficiency and makes video recording more stable;

Sanan very professional in vehicle surveillance systems 

MDVR is the abbreviation of Mobile Digital Video Recorder. It is a device used for vehicle monitoring and security management that can record video and audio inside and outside the vehicle through a camera. MDVR is usually installed on buses, taxis, trucks and other vehicles to monitor the safety of the vehicle during driving and manage the situation inside the vehicle. MDVR can record the vehicle's driving trajectory, vehicle speed, braking conditions and other data, and can also provide real-time video monitoring and remote playback functions to monitor and manage vehicle safety and efficiency.