That is a Convertor, not an Inverter.
A converter converts 110V power (Campsite power) to 12V to power 12V appliances (lights, TV, radio, etc).
An Inverter inverts 12V power (batteries) to 110v to operate things like microwave, 110V outlets, potentially A/C (although that's quite a load)
PLEASE do not send questions via Private Message, my inbox fills up too quickly. Post questions in the forum as a new thread so that other users can benefit from the answers. Use Private Messages for sensitive information only (VIN, Contact info or things you do not want the public to see).