1. DVR is generally used for video surveillance in fixed places, such as bedrooms at home, supermarkets, office areas of companies, etc. Generally, it is directly connected to the camera and stores the recorded video data through the hard disk. MDVR is basically used in mobile scenes, such as trucks, ships, etc. It can record the video of the vehicle surveillance camera, and supports vehicle monitoring and driving recording functions.
2. DVR is generally installed on the wall and directly connected by cable. MDVR needs to be installed on the car. Shockproof, waterproof, dustproof and other measures are required to reduce vibration and interference during video recording while the car is driving.
3. Hard disk video recorders generally have relatively large storage capacity, and can store video data for several days or even months on the hard disk. MDVR generally uses a pluggable mobile hard disk or solid-state hard disk as a storage medium, and its storage capacity is relatively small, usually dozens to hundreds of GB, and the video data needs to be replaced or backed up regularly.
4. The DVR is usually directly connected to the power socket and powered directly through the power grid. The mobile hard disk video recorder is generally used in the car, so the car power adapter, battery or other mobile power supply methods are used.