smart japanese standard american standard european standard electric massage constant temperature heating folding portable foot bath foot washing wash foot basin barrel

japanese rule 110v (for japanese use) us standard 110v (for us) british standard 220v (for uk) european standard 220v (for european use) national standard 220v (domestic use)

718 constant temperature heating 719 bubble heating model 720 remote control heating bubble type non-heating type (carefully order)