Built-in 4 noise-cancelling digital microphones and one loud speaker, easy for video conferencing. 116° wide view angle allows everyone in the room can be seen, even those close to the camera or seated at the edges of the room clearly visible.Aione-TL1 intelligently combines facial and motion tracking, when the participants enter or leave the judgment area and then automatically framing and zoom in&out to adjust the participants into frame and always stay centered in the picture. The auto-framing function can be turned on/off by remote control, refers to user manual.Aione-TL1 built-in 4K 1/2.8'' CMOS sensor, the ultra HD Lens can be controlled to Pan, Tilt and 3X digital zoom by remote control. Ideal for small and medium meeting rooms.Support multiple resolutions, including 4K, 1080P, 720P, displaying the best quality to support your software and monitor setting. The wall charger it’s European style, including 220 to 110 adapter.