4 Channel DVR supports AHD / TVI / CVI up to 1080p and Analogue up to 960H, Free P2P Cloud EaZy Networking, Push Status – Active Event Notification with EagleEyes App, Fully compatible with iOS and Android devices, Supports IOS and Windows remote viewing, H.264 compression, 50FPS recording at 1080p / 100FPS recording at 720p, 1 SATA interface, USB port for backup