4K UHD, 8.0 MP resolution; 4x that of 1080p Full HDHardwired NVR and multi-camera system; Fusion(TM) capabilities limited to 2 Wi-Fi(R) cameras (sold separately) and take up additional NVR recording channelsField of view: 108deg ; Color Night Vision with sufficient ambient light; night vision out to 150 ft. in ambient lighting; 98 ft. in total darkness; infrared cut filter auto switches between day and night for accurate color reproductionNVR supports up to 6 IP cameras; security-grade hard drive expandable to 8 TBPanic button on front of NVR activates all lights and sirens on Active Deterrence camerasWorks with homes Wi-Fi(R) system; compatible with Lorex(R) Smart Home security center; also compatible with Alexa(R) and Google Assistant(TM) for voice commands and Chromecast(TM) or Amazon Fire(R) TV Stick for viewing on larger screenFace and Mask Detection options; Person and Vehicle Detection Person detection reduces false alarms; recognizes when person enters cameras field of viewSafeguard(TM) feature sets up to 3 areas to keep track of items left behind or removedWeatherproof (IP66), all-season cameras work in -22deg F to 140deg F temperaturesCameras have customizable, motion-activated warning lights, selectable-length siren, listen-in audio and 2-way talk audio; ability to prerecord Quick Response messages via Lorex Home(TM) appIncludes mounting kit and CAT-5E Ethernet cables for cameras, AC power adapter, mouse, Ethernet cable, and HDMI(R) cable for NVR, and quick setup guide6 IP cameras