Shenzhen Teswell Technology Co., Ltd. is a High-Tech enterprise specializing in the Research, Development, Design, Manufacture and Sale of vehicle digital security and surveillance system products such as mobile digital hard disk recorders, vehicle DVRs, color CCD cameras, IR waterproof cameras, dome CCD cameras, mobile DVRS, and DVR LCD displays. These shockproof products are widely used in cars, vehicles, buses, trucks, and trailers to assure safety while driving. Customers and ...