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 1/2.8 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 3840x2160P30/25, 1080P60/50/30/25, 720P60/50, 3840x2160P29, 1080P59, 1080P29, 720P59, 720P29 HD Multimedia Interface video Output. Support 4KP30/25, 1080P30/25, 720P30/25 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 Camera Material: ABS Signal System: 3840×2160P30/25, 1080P60/50/30/25, 720P60/50, 1080i60/50 Sensor: 1/2.8 Inch CMOS Sensor, 8.51MP Scanning Mode: Progressive Lens: Optical Zoom 12x,F1.6-F3.5,F=4.3-40.9mm Digital Zoom: 12x Minimum Illumination: Support Ultra Low Illumination: 0.1Lx At F1.6 (Color), 0.01Lx At F1.6 (B/W) Shutter: 1/30s-1/10,000s White Balance: Auto,Indoor,Outdoor,Manual Backlight Compensation: Support Digital Noise Reduction: 2D And 3D Digital Noise Reduction Signal To Noise Ratio: ≥52dB Horizontal Field Of View: 70.5 Degrees (Wide End) To 5.9 Degrees (Far End) Horizontal Rotation Range: ±170 Degrees Vertical Rotation Range: -30 To +90 Degrees Horizontal Rotation Speed Range: 1 O/S-100 O/S Vertical Rotation Speed Range: 1 O/S-60 O/S Horizontal And Vertical Flip: Support Number Of Presets: 255 Preset Accuracy: ±0.1 Degree Input Output Interface: HD Video Interface: HD Multimedia Interface 2.0: Supports Up To 4KP30 USB3.0: Supports Up To 4KP30 (MJPG 4kp30) Memory Card: Maximum Support 128G (Not Included) Network Port: Maximum Support 4KP30 Communication Interface: 1 Way, RS 232 IN, Maximum Distance: 30m / 98.4ft, VISCA for Pelco D for Pelco P Protocol 1 Channel, RS 422, Maximum Distance: 1200m / 3937ft, VISCA for Pelco D for Pelco P Protocol Power Supply Interface: JEITA Type (DC IN 12V) HEC3800 General Specifications Operating Temperature: 0°C To +45°C Storage Temperature: -10°C To +60°C Voltage: 100V-240V Remote Control Batteries: 2 x AAA Batteries (Not Included). Package List: 1 x Video 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