Brand new - complete in box!

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Equipped with a voltage meter, to easy display the voltage, frequency and hours.

【240v Home backup】 2 sets of GENMAX 120V inverter generators are connected in series with this special series-parallel box to realize the conversion of 120V to 240V output,so as to achieve changeable usage scenarios and double the power to run two 15,000 BTU RV air conditioners

[Powerful Outlets] 120V/240v 50A RV (14-50R) and 120V 30A locking outlets (L14-30R), and voltage switch plus circuit breakers to prevent overloads