? ?Designed for large scene such as large video conferencing, live streaming in church, live shows, distance learning, recruiting, classroom, etc. (Suggest using with Tenveo VL12U).We provide 30-Day money back guaranty for No reason. 3-year warranty and lifetime tech support.So don't hesitate and buy it!. ? ?Tenveo KB200 video conference ptz joystick is made of sheet metal and scratch-resistant PC matte film, and the aluminum die-casting surface design with a powder-bottomed bottom shell,which effectively prevents scratches and damages.The appearance is simple and beautiful. Adopt the industrial-grade LCD panel excellent display and the characters are delicate and clear. ? ?Support IE browser to add configuration front-end device parameters, as many as 7 camera shortcut control buttons, easy and fast operation of the conference video camera, greatly improving the speed of multiple cameras to switch back and forth control. Support standard POE power supply. ? ?Support network and analog two control modes, have independent IP addresses in network mode.Support VISCA, VISCA over IP, PELCO-P, PELC0-D protocols, and VISCA is fully compatible.It only takes few steps to achieve perfect control of the video conferencing camera. ?Enter IP address to the browser to access the page configuration. The initial user name: admin; password: blank. ?. ? ?Adopt variable-speed 4D joystick control, comfortable and good. Twisting the joystick can directly control the conference Conference camera all-round rotation, lens zoom zoom in and out, according to the strength of the joystick control can be variable-speed control, fast and slow rhythm with and control.