110v to 220v ,step up or bottomward transformerLESS,no hum,hold 1kw to 5kw,gadget is 150 grams weight..AVI

!: 110v to 220v ,step up or bottomward transformerLESS,no hum,hold 1kw to 5kw,gadget is 150 grams weight..AVI

with out heavy bulky transformer,convert 110 volt to 220 volt or vice versa,gadget is light weight,around 1/4 KILO, can design to hold 1000 watts to 5000 watts load,incandecent or CFL.

110v to 220v ,step up or bottomward transformerLESS,no hum,hold 1kw to 5kw,gadget is 150 grams weight..AVI

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