1. 4K Resolution and Autofocus: The advanced autofocus system ensures clear focus on documents or objects, even in motion. Suitable for presentations, online teaching, or scanning, it captures every detail at resolutions up to 3000*4000. The rapid focusing speed locks onto subjects instantly, making it ideal for dynamic environments. 2. Three-Level Adjustable LED Fill Light: shadows and enhance clarity with touch-controlled LED fill lights offering three brightness levels, no need external lighting equipment. Whether in dimly lit rooms or under harsh lighting, the adjustable fill light optimizes visibility for documents, artworks, or live streaming. 3. Noise-Cancelling Microphone: The built-in noise-reduction microphone delivers clear audio for video calls, webinars, or recordings, even in noisy environments. No drivers are needed-simply plug the USB camera into for Win7/8/10 or compatible systems for instant use. Ideal for remote work, online classes, and content creation. 4. Multi-Angle Flexibility and Five-Level Exposure: Adjust the camera's field of view to suit any scenario, from overhead document scanning to face-to-face video calls. The five-level exposure adjustment ensures balanced brightness in low-light conditions, while features like horizontal/vertical flip and zoom provide full control. 5. High Performance: Supports multiple resolutions and formats (MP4/JPG) at 30fps for smooth video. With a wide 85 FOV and auto-adjustments for saturation, contrast, and white balance, it's suitable for streaming, conferencing, or scanning. Transform Your - Where Technology Meets Clarity. Item Type: Document Camera Resolution: 3000*4000, 3840*2160, 2592*1944, 2048*1536, 1920*1080, 1600*1200, 1280*720, 800*600, 640*480, 320*240 Data Format: Video MP4, Images JPG Signal-to-Noise Ratio: 39dB Wide Dynamic Range: 76dB Image Sensor: IMX362 Field of View (FOV): D=85 Optical Length: 4.15mm Structure: 4P Interface: M6xP0.35mm Focus: Autofocus Frame Rate: 30fps Focus Distance: 20mm to infinite Auto Control: Saturation, Contrast, Sharpness, White Balance, Exposure Microphone: Intelligent Noise Reduction Maximum Operating Current: 2000mA How to Use:Connect to the computer and use it directly. Color:Black Material:plastic Package Contents: 1 * Document Camera 1 * USB Cable 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.