Additional
Hard Disk x 2 can be installed on DVR base. Both are 2-iron slices immobile type.
2 Iron slices are in the accessories box, please tell supplier if slices are not exist
2-iron slices immobile type:
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Slices immobile type: 4 screws hole on each slice. 2 for DVR base fixed. Another 2 for hard disk fixed.
Hard disk install.: Locking hard disk screws, then locking DVR base screws to fixed on.