?Optical lenses : Adopts optical quality, high precision and distortion-free glass lenses.
Rotatable : Left and right 360 degree and up and down 60 degree rotatable, you can freely adjust the camera as required.
Adjustable focal length: Hand adjustable focal length, easy to adjust to suit your needs.
Microphone: Integrated / external sound absorption microphone, your voice can be heard clearly in 10 meters.