[Creating a topic for this field since there was none yet]
As years go, all things in your house are building memory. This audio is programmed to clear the negative energy from your home, furniture and yard (energy is programmed for around 300 meters). Videos is absolutely necessary if you go to new home and you don’t know past owner.
You can use headphones and speakers. We recommend speakers so it can affect your whole body /subconsciousness mind/.
You can listen it again when you feel the need.