Copper coils
Ac voltage regulator
With fuses
Overload thermal protection
Vevor 2000va auto variable voltage transformer 120v input 0-130v output, for home industrial office equipment appliances, copper coils, ac voltage regulator, with fuses, overload thermal protectionexternal screw-cap fuse holderwave-textured knobsturdy sheet metal housingclear readingswide applicationversatile voltage controlinput frequency: 50 60 hz,maximum power: 2000va,item model number: stg-2000w-u,input voltage: ac 120v,output voltage: 0-130v