Rubine STA collections of instant water heater were developed with fourfold missions; INNOVATION – First to equip with a double heating element, DESIGN – Modern hand & head shower with bumper spray, TECHNOLOGY – Built-in DC pump which is silent in operation and save up to 55% energy (For pump model) and RELIABILITY – Additional safety ELSD (Earth Leakage Sensing Device). As one of the leaders in the industry, Rubine will continue to develop products which will not only embellish customer’ home but also offer practical benefits.