Using this Teradek RT MK3.1 wireless lens control kit is a breeze. First, install the batteries into the controller and make sure they are properly charged. Connect the cables to the camera and the lens motor according to the instructions. The 6 - axis wireless lens controller with joystick zoom allows you to adjust the focus and zoom smoothly. When using the wired mode, just plug in the 5 - pin cable. For battery charging, use the provided MaximalPower charger. Keep the kit in the hardshell case when not in use to protect it from damage. Avoid exposing the kit to extreme temperatures and moisture. Clean the lens motor and receiver with a soft, dry cloth regularly to maintain its performance.