Space Saver Electric Water Heaters 2G/10L. * 2 in insulation * On/off switch with power indicator light * Plugs into any standard outlet * Water connections 1/2 in NPT male fittings (inlet and outlet) on the top of the heater with dip tube allowing cold water to reach bottom * Thermostatically controlled long life element, 1 x 1,500 W used in our trailer but converted to gas. good point of use heater.