.exhaust fan has reset thermal protector,when temperature of motor get 90,shut automatically,when cool down,start again,smoo Voltage-220V/50HzElectric Current Type:ACMaterial: Plastic+MetalCertificate:CEDurable Efficiently MotorSuitalbe For Kitchen,BathroomMeans,345*160*345mm 2012 hot! luxurious wall mounted bathroom luxurious air exhanust fan with lattice