AVTECH  AVH800A6 6CH Mini Push Video NVR, Push Video within 5 seconds, 3 min. Auto Setup, Full HD display and recordings, Video Compression Format H.264, Video Input  One LAN port (Up to 6 Channels with a 6-port hub), Up to one 3TB HDDs, Video Output Resolution 1920 x 1080, eSATA Interface, IR Remote Control, Event Notification Push Message / Push Video, dimension (197mm x 197mm x 36mm)