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 vid…