4K Ultra HDN/A4K ultra high definition provides up to 4K@ 30fps/25fps image coding output and downwards compatibility with 1080p 720p resolution etc.N/AIntelligent teaching trackingN/ABuilt-in leading image recognition and tracking algorithm achieve smooth and natural tracking effect.Different lenses are assembled before production so as to achieve teacher tracking or student tracking.N/ALocal storageN/ASupport U disk local storage local recording directly without NVR.N/AAF (Auto Focus)LensN/ACustomized auto focus lens without distortion and viewing angle is optional 46/84/ 120. At the same time it supports EPTZ to make it more biger and visible. (120 viewing angle does not support AF).N/ABuilt-in MicrophoneN/ABuilt-in microphone array picks up sound up to 9 meters equally from all directions.Unique nosie reduction algorithm can present your voice accurately.N/ALow LightingN/AHigh quality CMOS sensor and 2D/3D noise reduction can reduce image noise.The Image is still clear and sharp even in low light enviroment and the SNR is high more than 55dB.N/ASupport WiFi (optional) WiFi function provides network connections in wireless environments.N/ASupport PoEN/AThe cable network supports PoEpower supply control video and audio can be transmited by only one network cable.
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