Lorex 8 Channel 720p HD Security System with 1TB HDD and 8 720p Cameras 8 Channel HD DVR with full 720p real-time recording & viewing on all cameras FLIR Cloud app with 3-Step setup, Instant mobile viewing on iOS and Android smartphones / tablets 1TB security grade 100% duty-cycle hard drive (pre-installed) 8 x high definition 720p weatherproof bullet cameras, Night Vision up to 130ft in ambient lighting & up to 90ft in complete darkness Weatherproof cameras for extreme temperature performance (-22F ~ 122F)