Using Guide: 1 Put your electrical equipment plug into this product's output socket and maintains a good contact. 2 Put this product's cigarette lighter plug into the car cigarette lighter socket, and then you will see the indicator lights up, which mean the product, can start working. 3 If your electrical equipment has the power switch lease switch on. Specification: Input Voltage:DC12V Output Voltage:AC 220V USB output : 5.5V 1A Continous Power Output:Cigarrettelighter 100W/150W/200W Suger Power Capacite:200W/300W/400W Output Wavefrom:Modified Sine Wave Frequency:50Hz 4Hz Availability Power:>90.5% Low voltage range:15V No-Loadcurrent:150W Overheat Protection>60degrees Celsius Fuse:1x25A Package Includes: 1 x Car Inverter DC 12V to AC 220V Package Include:1pcsX 150W Car inverter