KARE DS-424J-500GB 4CH P2P DVR Kit 420TVL Line CMOS Camera 500GB HD (Black) Indoor/ Outdoor Security Camera;1/4" Color CMOS Image Sensor;420 TV Lines, Horizontal;3.6 LensIR LEDs: 30pcs;IR Irradiation Distance: 50ft(15m);The bullet cameras included in the kit are 1/4" color CMOS IR night vision outdoor cameras 24/7 Record over 16 Days with 500GB HD;500GB HD Installed;H.264 Hardware Compression; View Online or On a Smart Phone Support Remote View via Smart Phone & 3G Mobile with each of those systems below: a) iPhone b) Android