Hot & cool freestanding water dispenser 1.Environment friendly & energy efficiency design 2.Major thermostats : ego (german brand) 3.Backup thermostats : wako (japanese brand) 4.Hot water tank insulation foam, ul approved 5.R-134a refrigerant: ineos (japanese brand) Model no.:bd-2091 Type:hot / cool water Tank capacity:hot: 5l; cool: 3l Watt:hot:750w; cool:170w Power:110v, 60hz ; 220/240v , 50hz Dimension:43 x 31 x 125cm Ro or filtration system:built-in 2 stage filtration system Safety design: 1. Double protection with 2 thermostats -