Youwe gas water, you wont find any other geyser of this quality. You can say goodbye to all your water heating tensions with this easy-to-use water heater. It is a water heater with timer. You can set the timer up to 20 minutes. After 20 minutes, the timer will shut off by itself and stop the heating then and there immediately. This setting also prevents the water from overheating. Available with a thermostat, you can also control the temperature at which you want your water to be.