500 Watt low power microwave oven and 24 Volt Inverter package24 Volt Modified Sine wave Inverter and White 500 Watt Microwave Oven This package comprises of a 24 Volt 1000 watt Modified Sine wave Inverter which draws approximately 56 Amps in order to power the supplied 500 watt microwave oven. These 2 items are UK sourced and fully guaranteed and have been extensively tested in our workshop (and subsequently by customers in their vehicles) to be a good in truck microwave oven solution.