Feature:1. 12X OPTICAL ZOOM: Meeting camera supports 12X optical zoom and 70.5 degree horizontal viewing angle. Precise motor drive with advanced control algorithms for very quiet and stable operation, moving accurately and quickly to the designated position and taking wide shots.2. HIGH RESOLUTION: Video conference room camera utilizes a 1 or 2.8 inch, 8.51 MP, "for Exmor R" CMOS Sensor Sensor for 3840x2160 ultra high resolution images. Supports MJPG YUY2 H.264 encoding, of which MJPG supports 4kp30 output.3. 4K HD VIDEO: Conference room camera supports 3840x2160P30 or 25, 1080P60 or 50 or 30 or 25, 720P60 or 50, 3840x2160P29, 1080P59, 1080P29, 720P59, 720P29 HD Multimedia Interface video Output. Support 4KP30 or 25, 1080P30 or 25, 720P30 or 25 USB3.0 video output.4. 256 POSITION PRESET BITS: Conference room camera system can preset 256 positions including pan, tilt, and zoom through the serial port, and the preset data can be saved even when the camera is powered off.5. MULTIFUNCTION REMOTE CONTROL: Equipped with an easy to operate remote control, in addition to the basic settings, as well as the level, tilt, zoom and other controls, you can also call up the menu to set the camera's relevant parameters. The OSD menu in English and Chinese can be controlled by the remote control.Specification:Item Type: Video Conference Room CameraMaterial: ABSSignal System: 38402160P30 or 25, 1080P60 or 50 or 30 or 25, 720P60 or 50, 1080i60 or 50Sensor: 1 or 2.8 Inch CMOS Sensor, 8.51MPScanning Mode: ProgressiveLens: Optical Zoom 12x,F1.6-F3.5,F=4.3-40.9mmDigital Zoom: 12xMinimum Illumination: Support Ultra Low Illumination: 0.1Lx At F1.6 (Color), 0.01Lx At F1.6 (B or W)Shutter: 1 or 30s-1 or 10,000sWhite Balance: Auto,Indoor,Outdoor,ManualBacklight Compensation: SupportDigital Noise Reduction: 2D And 3D Digital Noise ReductionSignal To Noise Ratio: 52dBHorizontal Field Of View: 70.5 Degrees (Wide End) To 5.9 Degrees (Far End)Horizontal Rotation Range: 170 DegreesVertical Rotation Range: -30 To and90 DegreesHorizontal Rotation Speed Range: 1 O or S-100 O or SVertical Rotation Speed Range: 1 O or S-60 O or SHorizontal And Vertical Flip: SupportNumber Of Presets: 255Preset Accuracy: 0.1 DegreeInput Output Interface:HD Video Interface:HD Multimedia Interface 2.0: Supports Up To 4KP30USB3.0: Supports Up To 4KP30 (MJPG 4kp30)Memory Card: Maximum Support 128G (Not Included)Network Port: Maximum Support 4KP30Communication Interface:1 Way, RS 232 IN, Maximum Distance: 30m or 98.4ft, VISCA for Pelco D for Pelco P Protocol1 Channel, RS 422, Maximum Distance: 1200m or 3937ft, VISCA for Pelco D for Pelco P ProtocolPower Supply Interface: JEITA Type (DC IN 12V) HEC3800General SpecificationsOperating Temperature: 0C To and45CStorage Temperature: -10C To and60CVoltage: 100V-240VRemote Control Batteries: 2 x AAA Batteries (Not Included).Package List:1 xVideo Conference Room Camera1 x USB Cable1 x Bracket1 x Screw Accessory Kit1 x Remote Control1 x Network Cable1 x Network Cable Box1 x Power Cord1 x Power Adapter1 x Instruction Manual