This product records video and sound during driving, and is able to provide evidence when accident happened. Besides, it also records scenes during driving so driver is able to playback if needed. Recording time, speed, location within video, it is more like a “Black Box”. There are single channel and multiple channels types of DVR. Single channel DVR is simplified and selling in aftermarket. Our multiple channels DVR come with many advanced functions. Not only record video, furthermore it can connect to T-BOX via USB port to upload driving information and integrate with other driving status parameters. This product is perfect for OE pre-installation market. Product Features ．Front view HD camera for 1080P HD video recording ．Built-in ADAS feature, connecting to CAN Bus to get turning and backward information, then switch to proper video automatically ．Built-in Wi-Fi feature，operating on mobile phone ．Able to connecting T-Box, uploading video to server for backup ．Multiple core embedded system ．Built-in GPS module ．Mobile phone App ．Support CAN Bus ．Support video streaming ．Compliant with automotive grade regulations