Highlights: DC to AC 12V to 220V 40W TRANSFORMER, DC-AC INVERTER MODULE, STEP UP TRANSFORMER BOOST MODULE FEATURES: ● Input:12V DC ● Output:220V AC ● Power:40W ● Module Size: 4.3x3.8x2.5cm/1.69x1.50x0.98inch BENEFITS: ● Input DC 12V, 220V AC can be obtained at the other end. It features stable output voltage, high efficiency, low heat. ● High frequency, higher output power, can drive 0W energy saving lamps. ● Stable output voltage, high efficiency, low heat. ● HIGH QUALITY-- The boost module adopts high quality material for long service life, durable in use. HOW TOs: ● This module can convert 8V-13V DC voltage to household 220V AC voltage.