DVR Main Features Operating System: Embedded LINUX OS Compression Format: H. 264 Video Input: 8 Channel Video Output: 1CH HDMI+1CH VGA+1CH CVBS Audio Input: 4CH RCA Audio Output: 1CH RCA Display Split: 1/4/8/9 Trigger Event: Recording, PTZ, Tour, Alarm, Video Push, Email, Spot, Buzzer and Screen Tips Internal Hard drive: 1 SATA Port, Up to 6TB Recording Modes: Manual/Motion/Schedule/Recycle (easily find and playback your security footage by searching a specific channel using date or time) Ethernet: RJ-45 Port USB Interface: 3 x USB2. 0 Maximum User Access: 10 Users Remote Operation(3G/4G/Wi-Fi): Via using IE and iPhone, iPad, Android and PC Client Power Supply: DC12V/2A PTZ Control: 1 Port RS485 for PTZ control Operating Environment: ﹣10℃~ +55℃, 10%~90%RH Camera Main Features Image Sensor: 1/3" CMOS with IR-Cut Horizontal Resolution: 1280TVL(720p) Lens: 3. 6mm IR LEDs Amount: 24PCS 5mm LEDs Max. IR LEDs Length: 65ft (20m) Angle of View: Horizontal: 70°, Vertical: 40° Body Construction: Metal Ingress Protection: IP66 Weatherproof Day/Night Mode: Color during daytime/switches to B and W at night Backlight Compensation: BLC/DWDR Operating Environment: ﹣10℃~ +55℃, 10%~90%RHPackage Contents 1 x 8CH TVI DVR 4 x 720p Camera 4 x 60FT BNC+DC CCTV cable for camera This is not Wireless Camera System, but we offer 60FT CABLE for each camera. 2 x 12V/2000mA Power Supply 1 x Mouse 1 x 1 to 4 Power Splitter 4 x Mounting Screw Bag 1 x user manual NO Hard drive included and Not support any external hard drive HDD Compatible with our DVR: Internal SATA 3. 5" Consumer Electronics HDD