At Keystone, your family’s comfort starts here. The Keystone 5, 000 BTU window air conditioner with "Follow Me" remote control is an excellent choice for cooling a room up to 150 square feet. This exceptional air conditioner features electronic controls with LED display and a temperature sensing LCD remote control, allowing you to conveniently see, set, and maintain the room temperature from across the room. It also includes an energy saver mode, programmable 24-hour timer, and a sleep mode to save you money while keeping you cool and comfortable. Plus quiet operation (49 dBA on low) helps you get a good night's sleep. With a Keystone window air conditioner, you and your family can relax in cool, blissful comfort.