How to use: First, make sure you've checked your country's wireless frequency laws to ensure the 782 - 806 MHz frequency is legal for use. Then, connect the system to the correct power supply that comes with it. You're now ready to use it in your setup. Important things to note: This system can't be used in the U.S., so double - check your local regulations before purchasing. For maintenance, keep the system in a dry and clean place. Avoid exposing it to extreme temperatures or moisture. If there are any signs of damage, stop using it and consult a professional.