4-Channel Vehicle DVR Driving Recorder Main Unit DVR 4CH AHD
◆ The 4-channel main unit of the driving vision assistance system adopts the latest H.264 video compression technology, providing higher compression rates and better image quality.
◆ Supports 4-channel AHD million-pixel HD/analog standard-definition audio and video input, 1-channel audio and video synchronous output, and 1 VGA output.
◆ Supports power-off recording, lasting from 30 seconds to 24 hours.
◆ 4CH H.264 driver assistance functions (left/right/reverse single display).
◆ 720P/1080P
◆ Professional vehicle power supply design with 1036V DC wide voltage input.
◆ Equipped with multiple protection circuits for undervoltage, short circuit, and reverse connection, suitable for various vehicle types.
◆ Supports intelligent power management identification, with automatic shutdown for low battery and low power consumption when the engine is off.
Data Storage:
◆ The 4-channel main unit of the driving vision assistance system uses a specialized file management mechanism to encrypt data, ensuring effective data security.
◆ Proprietary SD card bad-sector detection technology ensures recording continuity and extends SD card lifespan.
◆ Built-in super capacitor to prevent data loss and SD card damage due to abnormal power outages.
◆ Supports SD card storage, compatible with 128G/256G cards.
◆ Gapless recording
◆ Automatic overwrite recording
◆ Fast startup recording
◆ Continues recording for 5 seconds after power loss
