LaView LV-KDV0804B5B-500GB D1 RealTime 8 Channel DVR w/ 4 x 520TVL Camera & 500GB HDD-Remote Access via Internet & SmartPhone DVR provides clear image quality with full D1 Real-time recording. 4 High Resolution Cameras Offer More Coverage and Viewing Area with 3.6mm Fixed Lens for Indoor/Outdoor Use Connect to VGA, BNC, or HDMI monitor for higher resolution options Free LaView apps for live view and playback on Smartphone devices. Each camera offers 24 IR LEDs technology that sees up to 50 ft. in the dark.