This Electrical footWarmer is designed by special art,it have a lot of function such us :heating,massage,nursing care and so on. Feature: Shell Material: PVC Voltage : 110-120V 220-0240V Watt: 80W Frequency: 50Hz /60Hz Product Size: 42x24x5.5 Packing Size:74x42x46 (24pcs) Characteristics: The product can release the far infrared ra (4-14 micro-lenght)which have osmosis and accelerate the metabolism and improve blood circulation of the skin ,it makes the lotions permeate the skin effectly.A"Hi " and "Lo"setting to maintian a comfortable ,constant temperature. Hi=45 55 degree: LO =35 40 degreeSuitable Persons who are suffer from the arthrodynia,the chilblains,sleeplessness and rough skin.The long-term uesge will make your hands and feet more lust rous,soft ,smooth and elastic. Instructions for use: Smooth nail (toenails) to avoid piercing the inside lingings.To complement use of creams of lotions,cover the hands (feet) with saran wrap.Putting through the power and adapt the degree acording to your need. Others:1 This product exported to USA,Italy,Holland,Britain,Australia and other countries.2 We guarantee each product will be checked befor sell .3 We also sell a lot of sililar products,Varieties with good quality.4 If there are any bad quality ,you canreturned the good back or change another one without pay.Formoreinformation,pleasebefreetocontactus.