Margus H.264 Operation Instruction Manual page 7

Communication
RS485×1，USB2.0×2
interface
1 SATA hard disk (up to
Number of
2T)
hard disk
Mouse USB mouse
Remote Optional
control
Power supply 12V/3A
Appearance DVR-16 appearance
description
2 SATA hard disk (up to 2T for single hard disk)
Yes
DVR-22 appearance
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