Features: Just look as a monitor. All-in-one 4ch/8ch DVR and 1TB HDD,up to 3 years video archiving H.264 hardware compression. Realtime video&audio synchronous monitor and record. Special design for home or small business security surveillance. Support many kinds of mobile phone remote access High quality CIF image playback. Easy record backup to USB device IE remote access and control. Support multi-zone motion detect, video lost alarm, positioning OSD, multi-level user management. Support alarm email notification Support PTZ control Specifications: Models :IL4004HC-M9 / IL4008HC-M9 Video Input :4 / 8 Video Output :19” LCD Monitor, 1440*900@60Hz 2 channel BNC Audio Input :4 / 1 Audio Output :2 channel RCA / 2 channel RCA Playback Resolution :Total 120FPS@CIF / Total 240FPS@CIF Preview Resolution :PAL: 704*576, NTSC: 704*480 External Alarm In :4 / 8 Relay Output :1 / 1 Stream Type :Video/Video&Audio Max Bit Rate :32Kbps to 2Mbps Audio Input Interface :RCA Audio Compression :ADPCM Audio Compression Rate :24Kbps Communication Interface :1 RJ45 (10M/100M) 1 RS485 HDD Interface :1 SATA (maximum 2000GB) USB Interface :2 USB, support USB flash memory, USB HDD and USB CR-R/W Power Supply 1:2V DC/ 5A Power Consumption :<15W (without HDD) Operation Temperature :-10°C ~ 40°C Operation Humidity :10% ~ 90% Dimension :450mm x 320mm x 65mm Weight :5500g (with HDD)