How many types of M-DVR available in Avtron Product range?

M-DVRs are available in 4CH and 8CH Entry level to Professional series Models are available in below combination with/Without GPS, With GPS + 3G or 4G, With WiFi + GPS, With 4G or 3G + WiFi + GPS. Storage Options: With SD Card, With Dual SD Card, With HDD, With HDD + SD Card.