Clear picture stable picture quality.High definition lens, high color reduction. HD drive-free,plug and play.With USB data cable, plug and play. Acoustic Sound Norm .Built-in noise can celling microphone , enhance the sound effect , even in a noisy surrounding , your voice could still be heard dearly in the streaming. 400W Fixed .The world is big , let me help you peer intimate home,vision HD,love at first sight. Digital dynamic technology.Under backlight environment , it can clearly retain the details in thedark and suppress the bright image quality. Lens: HD lens Sensor type: CMOS Video format: Frame rate: 30FPS Photo format: BMP JPG Output format: M-JPEG Flicker control: 50Hz Focusing range: 20mm USB cable length: 1.5m Resolution: 2560x1440(2K) Interface type: UsB2.0 Microphone: built-in microphone colour: black Material: ABS Size: 8.5x6.4x4CM Package Contents: 1 x Web camera Only the above package content, other products are not included. Note: Light 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.