First, what a game changer this has been for me. I no longer used my outdoor grill. What I love the most about this product is that it lets you know every detail about your ribs being done. I can now use it freely indoor and do not have to worry about making ribs in the cold outdoors. I also like the extra racks and how you can remove them freely for more/less space. One thing I did have trouble with, was placing the pebbles to start the heating process. I managed to get it in the end.Very satisfied overall with this product.