Features Mini design-compact size, no storage tank required. Esay installation-connect to cold water main piping directly Safy- no electrical shock hazard and gas leakage problem Convenience-automatically operates with the water flow only. the desired temperature is regulated by your temperature control setting heating is done instantaneously, avoiding head losses along the pipes low cost-energy saving .consumes electricity only when water is flowing perfect quality- manufactured under the most rigid safety norms and testing the unit is available in 110 and 220 volts, or special voltage on request.