This Hollyland Mars 400 S system comes with a proper power supply and antenna(s), ensuring stable and efficient wireless video transmission.

Using the Hollyland Mars 400 S is easy. First, connect the power supply properly to make sure the system gets enough power. Then, attach the antenna(s) as instructed to enhance the signal. When using it, keep it away from strong electromagnetic interference sources to avoid signal issues. For maintenance, regularly check the power supply and antenna connections. If there's any problem with the system, don't try to repair it by yourself. Contact the Hollyland customer service for professional help.