Keystone KSTAW15CE is a powerful and versatile air conditioner that offers a range of features to keep you cool and comfortable in your home. With a 15,100 BTU cooling capacity, it can effectively cool areas up to 700 square feet. It also features an adjustable window kit for convenient window installation, a programmable timer, sleep mode, and energy saver mode to help you save energy. Additionally, the washable filter and easy-to-use controls make it a breeze to maintain and operate.