110V to 220V, or even bottomward transformer, no noise, keep 1kW to 5kW module weighing 150 grams .. AVI

!: 110V to 220V, or even bottomward transformer, no noise, keep 1kW to 5kW module weighing 150 grams .. AVI

the bulky transformer is difficult to convert 110 volts to 220 volts, or vice versa, a module of light, about 1 / 4 KILO conceivable that 1000 W 5000 W load, incandecent or CFL.

110V to 220V, or even bottomward transformer, no noise, keep 1kW to 5kW module weighing 150 grams .. AVI

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