32 channel and 2 HDDs 1U digital video recording, self adaptive HDTVI / HDCVI / AHD / CVBS signal input, long distance transmission, up to 4 MP lite resolution, HDMI output up to 4K resolution, TCP/IP / PPPoE / DHCP / Hik-connect / DNS / DDNS / NTP / SADP / NFS / iSCSI / UPnP / HTTPS and ONVIF network protocol, 380 x 320 x 48 mm dimension, 2.2 Kg weight without HDD.