LaView Cube 4 Channel Compact Surveillance System with Cloud Storage, 4 x 600TVL Bullet Cameras (No HDD) - LV-KD5144B All-new compact 4 Channel DVR fit comfortably anywhere with technology that is equivalent to a standard size DVR Includes four 600TVL high resolution cameras with 24IR LEDs that delivers 50 feet of night vision Offers Cloud Storage for video backup and alert messages only with Dropbox Remote viewing on smartphones, tablets, or computers. Or take advantage of our bonus free P2P viewing feature Capable of holding 1 SATA HDD up to 3TB (HDD not Included)