*** Hard Drive is not included. Hard Drive is used for recording and playback. Please select correct one in the option. ***
To record in 1080P resolution, buyer have to connect 1080P AHD-H signal
camera. To record in 720P resolution, buyer have to connect 720P AHD-M signal
camera. If buyer connect old analog camera 1500TVL or less, DVR will
automatically downgrade back to 960H resolution.