Electric Heater Type:Aluminum Sheet Radiating Power:55W Installation:Portable Installation:Desktop Certification:RoHS Certification:CE Function:Overheat Protection Function 1:Waterproof Function 2:Adjustable Thermostat Number of Speed Settings:Second Gear Voltage (V):220V Heating Element:Metal heating sheet Note 1.This appliance must not be used in hospitals. 2.Do not bend so as not to damage the internal heating components. 3.Do not use this product as a blanket. 4.Do not put your computer laptop on the heat blanket so as not to overheat the electronic product. 5.Do not put this product into water for cleaning. 6.Make sure that the heat pad switch and junction box are far away from the water source to avoid short circuit. 7.If the water splashes to the switch or junction box, etc. immediately cut off the power. 8.Must not be used by people who cannot take care of themselves, infants or children who are not sensitive to heat.