1、IMAGE SENSOR: Professional high definition conference PTZ camera adopts 1/2.5inch HD CMOS sensor, 16:9, 4K, 8.51MP effective pixels, supports auto and manual focus, image flip and backlight compensation. 2、12X OPTICAL ZOOM: 4k PTZ camera adopts advanced zoom lens with 12X optical zoom, 70.5 degree (wide angle end) ~ 5.9 degree (far end), which can provide clear images even from a distance, allowing you to see every detail of the image clearly. 3、WIDELY APPLICABLE SCENARIO: 4k PTZ conference room camera is suitable for video conferencing, distance learning, live church broadcasting, teleconferencing, remote counseling and more. 4、SUPERIOR PERFORMANCE: Conference PTZ camera adopts advanced control algorithms for quiet, fluent and precise operation; Supports a variety of video standard outputs, including HD Multimedia Interface and USB3.0 interface. 5、256 PRESET POSITIONS, REMOTE CONTROL: 4k PTZ webcam has 256 preset positions, which can be precisely and quickly moved to the specified position; Equipped with multifunctional remote control, it is easy to operate and adjust the camera parameters. Item Type: 4K Conference PTZ Camera Material: ABS Image Sensor: 1/2.5 Inch Superior HD CMOS Sensor, 16:9, 4K, 8.51MP Effective Pixels Video Format: 4kp30 25, 1080p60 50 30 25, 720p60 50 Optical Zoom: 12 Times, 12 Times Digital Zoom Lens Parameters: F1.6 ~ F3.5,F=4.~48mm Horizontal Angle of View: 70.5 Degree (Wide End) ~ 5.9 Degree (Far End) Presets 256 (10 Presets for Remote Control with Watchdog Function) Video Interface: USB 3.0 HD Multimedia Interface, IP, SDI AI with Local USB External Expansion: Support One Key Video Format Switching Map: Support SNR: > 52db Minimum Illumination: 0.1 Lx Gain: Auto, Manual White Balance: Auto, Indoor, Outdoor, One-Touch, Manual AE Control: Auto, Manual Image Flip :Yes Backlight Compensation :Yes Noise Reduction (3D NR) :Yes Focus Mode: Auto, Manual Menu: Chinese Menu Support OS: For Windows 7, For Windows 8, For Windows 10 PTZ Control: IR Remote Control and for RS485, for RS422, for RS232, USB USB Telecommunication Protocol: UVC 1.1 Control Protocol: for Visca, for Pelco D, for Pelco P Telecommunication Control Interface: For RS232, RS422, For RS485 Baud Rate: 9600 4800 2400bps Control Signal Interface: 8 Core Mini Din Control Signal Format: Start Bit: 1 Bit, Data Bit: 8 Bits, Stop Bit: 1 Bit, Video Coding: Mpeg, Yuy2, H.264 Image Flip: Horizontal and Vertical Image Flip Installation: Wall Mounted, Suspended, Tripods Horizontal Rotation: ±170 Degrees; Pitch Rotation: -30 Degrees ~ +90 Degrees Horizontal Control Speed: 1-100°/Sec; Tilt Control Speed: 1-60°/Sec Preset Position Speed: Horizontal: 100°/Sec, Tilt: 60°/Sec Multiple Network Protocols: Support Gb T28181, Rtsp, Rtmp Protocol; Support Rtmp Push Mode, Easy to Link to Streaming Media Server (For Wowza, For Fms); Support Rtp Multicast Mode, Support Network Full Command Visca Control Protocol Encoding Technology: H.264 H.265 Sound Interface: 3.5mm Line in Sound Coding Format: AAC, MP3, G711 Sound Sampling Frequency; Support 8000, 16000, 32000, 44100, 48000 Remote Control Batteries: AAA Batteries Two (Not Included) 1 x Camera 1 x USB Cable 1 x Bracket 1 x Screw Accessory Kit 1 x Remote Control 1 x Network Cable 1 x Network Cable Box 1 x Power Cord 1 x Power Adapter 1 x Instruction Manual