HUAIN 4K 20x HD PTZ Camera Conference Camera System HY-HD20/4K

Features a 1/2.5-inch high-quality image sensor with 8.5 million effective pixels, achieving a maximum resolution of 3840×2160 and a frame rate of up to 30 frames per second;

Features an industry-leading wide dynamic range CMOS sensor with a focal length range of f=3.85mm to 43.6mm, an aperture range of F1.6 to F3.56, 20x optical zoom, and 10x electronic zoom, with a field of view ranging from 51.4° (7.56° to 80.4°), optional 5x or 12x zoom, and a maximum field of view of 80.4°;

Horizontal rotation angle: -170° to +170°, with a speed of 0.1 to 100°/s; tilt angle: -30° to +30°, with a speed of 0.1 to 45°/s;

Advanced autofocus algorithms enable the lens to achieve fast, accurate, and stable autofocus;

Based on 2D and motion 3D noise reduction algorithms, and utilizing a new-generation low-noise sensor, noise is effectively reduced, resulting in clean and detailed images;

High-precision stepper motors and precision motor drive controllers ensure smooth low-speed operation of the gimbal with no noise;

Supports sampling frequencies of 8000, 16000, 32000, 44100, and 48000 Hz, and supports AAC, MP3, and G.711A audio encoding;

Supports multiple USB compression encoding formats, including YUY2, MJPEG, H.264, and NV12 video encoding formats;

Supports DVI (HDMI), USB 3.0, and LAN audio/video output;

Supports H.265/H.264 video compression and AAC, MP3, and PCM audio compression;

Supports ONVIF, GB/T 28181, RTSP, and RTMP protocols, and also supports RTMP push mode, enabling seamless connection to streaming media servers (Wowza, FMS);

Built-in gravity sensor, supports automatic pan-tilt rotation function, convenient for engineering installation;

Adopts advanced automatic focusing algorithm to enable the lens to quickly, accurately, and stably complete automatic focusing;

Supports VISCA, PELCO-D, PELCO-P protocols, supports automatic protocol recognition, and supports network full-command VISCA control protocol;

Features RS-485 control mode, supports RS-232 daisy chaining, convenient for engineering installation use;

Supports up to 255 preset positions (10 can be set and called via the remote control);