Yes, that is correct, you can test it for two months and if you are not happy, you can return your therapy panel for a refund!
What I really like in red light therapy that the companies allow you to just try their products - usually for 60 days. If you observe benefits to your skin, muscle pain or performance or general wellness improvements - you will keep the light panel and use it for many years. They last long - and you get usually about 3 years warranty for your peace of mind.
60 days testing is plenty time, to see the benefits of doing red light therapy at home. In my experience, for achy muscles and joints (in sport recovery or supporting any physical therapy) you can notice the difference even in one day - definitely within a week (depending on individual situation and problem). With skin and hair, it takes longer time to observe any improvements, but two months will definitely give you good enough test if red light therapy is the right thing for you!
Many people now, work from home, so it is very easy to place your table top therapy panel on or near your desk, and use it during your lunch break - to relax and to improve the health of your skin - at the same time.
If you don't see the benefits you expected - you can return your therapy panel and they will give you a refund. I don't know other industry you can do that - do you? Note, different companies have different return policy, so I recommend to read the small print, so you are well informed of all the terms and conditions. My understanding is, you usually need to pay the return delivery cost and the equipment needs to be in very good condition. I have not returned any equipment yet, perhaps because I only buy from reputable companies that have been in the market for several years. Most of my panels are from Mito Red Light and I heard only good things about their integrity and customer service.