With one VIDEO IN, one VIDEO OUT. Support video recording through TF/ SDHC cards. (memory cards NOT included) Apply ARM + DSP technology and intelligent algorithm. Support video playback function. Support real time adjustment. Support real time and continuous motion monitoring and storing. Hot swappable, auto data storage when interruption of power supply occurs. Have no effect on the original video and connection. Compact and lightweight, easy to install and connect. Specifications: Work with: CCD or CMOS cameras Resolution: VGA 640*480 Compression format: JPG Memory cards supported: 1 TF card (up to 32GB) , or 1 SDHC card (above 4GB) Powered by: DC 12V Color: Silver Material: Aluminium alloy Package include: 1* mini DVR 1* CD 1* cable |