高拍仪
800万高清像素画面清晰锐利
Plug and play
8 million high-definition pixelsThe picture is sharp and sharp
Real-time annotationFocus on circle painting
实时批注圈画重点
Anti - collision silicone protective cover
防碰撞硅胶保护套
保护机身和师生安全
Free installation
Plug and play
免驱安装
即插即用
