Feature: 1. ZOOM LENS: HD conference camera adopts excellent 3X optical zoom lens, which can be free to zoom in and zoom out, better ensure the smoothness and transparency of HD images. 2. FULL HD 1080P: Conference camera has full HD effect, which can achieve 1080P (1920x1080) and get super high resolution quality images. 3. ROTATABLE LENS: Video conference camera has a rotatable lens, 350 degree horizontal scanning range of the head, 90 degree vertical flip up and down without dead angle scanning. 4. PRE POSITION FUNCTION: Meeting camera has pre position function, which can pre set the position and return to the pre set position with one button. 5. 128 DEGREE VIEW: USB PTZ camera has a 128 degree ultra wide angle field of view, no distortion, large area coverage, to meet the needs of a variety of meetings. Specification: Item Type: USB PTZ Camera Material: Aluminium Alloy Image Sensor: 1/2.8 Inch CMOS Effective Pixels: 2.38MP Resolution: 1080P Lens Focal Length: F=2.38-7mm Horizontal Angle of View: 99.6 Degrees At The Near End, 30.6 Degrees At The Far End Video Interface: USB2.0 Horizontal Rotation Angle: 350 Degrees (±175 Degrees), 0.1‑100 Degrees / S Vertical Rotation Angle: 55 Degrees (Up), 35 Degrees (Down) Communication Interface: RS 232, RS 485 Communication Protocol: VISCA Baud Rate: 38400bps, 9600bps Preset Bit: 64 Image Flip: Support Image Vertical Flip Remote Control: Infrared Wireless Remote Control P T Z Support: for Windows, for OS X, for Android Video Encoding Format: H.264, MJPEG, YUV Remote Control Battery Specification: 2 x AAA Batteries (not Included) Voltage: 100‑240V. Package List: 1 x Camera1 x Instruction Manual1 x Ceiling Bracket1 x USB Connection Cable4 x Mounting Screws4 x Screw Expansion Tube1 x Round Cap Screws1 x Connector1 x Remote Control1 x Power Cord1 x Adapter