Pro: My arms feel like I've been working out for weeks and I only started for one day I love it. I turned the lights off to get more focus so I can concentrate on the lights. It's even great with the light on and it's soft but tough material well made. I'm very glad I ran across this thank you.Con: The velcro on my wall was strong for about 4 days and then I had to purchase these clips from Amazon that held it up and it allows me to be able to take the item off the wall when I need to use it for my legs or when I want to use my arms.Pro: These are the clips that I put on my wall that holds very strong and I can take the device off This really helped to keep the device on the wall. - 6 Pack Tile Display Wall Hanger Fastener, Stainless Steel Wall Mount Brackets Hook with 20 mm Inner Width Heavy Duty Tile Hangers for Ceramic Tile Display (Black) it worked for me.