Video input: 1 / 4 / 8 pairs Video output: 2 pairs Display speed: Ntsc: 120 fps (4x30 fps); Pal: 100 fps (4x25 fps) Recording speed (partition mode) : Ntsc: max. 30fps; Pal: max. 25fps Recording speed (single channel mode) : Ntsc: max. 7. 5fps (30 fps / 4) ; Pal: max. 6. 25fps (25 fps / 4) Compression form: modified mjpeg Network interface: 10 / 100m base-t, ethernet interface, browse via ie Full screen: yes System monitoring: Stop, and automatically rebooted to recording mode on restored power supply Power requirements: ac100v-240v, 50 / 60hz External shape size: 485mmx250mmx50mm Network: support Weight: gross weight: 4kg; net weight: 3. 5kg minimum order quantity 1 set packaging to be negotiated