... .wide range voltage regulater2.Input voltage display,output voltage display3.Delaty output time selectableSpecification of relay type stabilizer1)Input voltage: 160-270V 2)Output voltage : 220V ... equipments,fridge & freezer,air condition,pabx,house electronics appliances etc.voltage regulator,stabilizer,regulator,voltage stabilizer,auto regulator, auto stabilizer,PVC stabilizer,AC voltage regulator