CAMPLUX Hot Water Heater 4 Gallon, On-demand Water Heater Electric Water Heaters with Cord Plug 1.44kW at 110V 120V, UL Listed

i'd actually use this exact, similar heater: https://a.co/d/01E6KPMZ i'd only shower every other day and the heat for one shower would only use like 0.5kWh, not a big deal for my setup.