4 Channel NVR Kit with 4 2MP Wireless IP Cameras (Only Needs Power)Record from and manage up to four cameras with the 4-Channel 2MP Wireless NVR with 1TB HDD & 4 2MP Outdoor Wireless Network Bullet Cameras from Speco Technologies. This wireless NVR comes preinstalled with a 1TB HDD. HDD capacity is expandable to 6TB. An onboard memory card slot accepts SD cards up to 32GB (available separately). H.264 video compression keeps file sizes manageable while maintaining the best possible video quality.The included 2MP wireless bullet cameras each have a 1/2.7" progressive scan CMOS sensor to capture 1920 x 1080 resolution video. They each have a 4mm fixed lens with IR LEDs that provide up to 65' of illumination in low-light conditions. The cameras are IP66 rated for outdoor use.Features:Embedded Linux OSUp to 2MP resolution for live view, recording, and playbackH.264, AVI, and MP4 file formatsHDMI and VGA video outputsTwo USB 2.0 ports100M Ethernet portBuilt-in S.M.A.R.T technology (self-monitoring, analysis, and reporting technology for HDD)Remote monitoring via Windows & Mac computers, along with mobile appsFree US-based DDNS service