The PRO1 T731W Wireless PTAC Control Thermostat offers a reliable controller for PTACs at an affordable price. Our environment is important to all of us , PRO1 products are a great choice to improve the comfort of your indoor environment...best of all, you should realize a savings on your electric bill. Smart , Efficient , Eco-Friendly...quality has never been so affordable. Also Sold by the Case for Additional Savings!