Instruct: Classify the given review into positive or negative sentiment.
Query: terrible product

It's such a great idea, but it simply doesn't work as an RF device. It will work as IR device, but is much too expensive as a universal remote. I was very disappointed because I had high hopes and monster is well known company. It just won't work in cabinets and through walls as advertised. The software is even worse. There are no instructions and the manuals will not open up on-line and support is available only 8-5 Monday thru Friday, so when does a working person call? Oh well, a $300.00 dollar lesson. Please don't but this product.