Solid and dependable. The Houston is a faithful family friend. Its front panel is designed to be clear and easy to read. There is a window for number setting and a total of four lights, one for each power setting. On top of that, the built-in pressure relief device, the anti-scald device and the overheat indicator make this heater safe for both young and old. So simple to use, yet so reliable. The Houston will serve your family well.