Liberty house Present ; Moha transformer 1000 watts maximum STO series . STO series step down transformer ia an AC voltage converting device . its is made of the wind with the annular iron core. thus make the product have low power consumption and high efficiency . using it . to convert the multi-kind net. voltage into a general output voltage under witch all the electronics units are safe for use within the rated power range . Input Voltage: AC220V with fuse protector or with over current protector Output Voltage :AC110V