specification： power:35W Input:DC 12V Ouptput AC 220V 1*12v to 220v Step up power modele No connecting wires are included, and input and output wires need to be soldered by yourself. Instructions for use: This product can convert the DC power of the 8V-13V battery into 220V AC power for household use, and dual output with DC output. Output A B 220V with overload protection 1--20w A C 220V with overload protection 1--15w B D 220V without overload protection 1--35w This product is a 4th generation step-up module and step-up transformer. Input 12V DC, and the other end can get 220V AC and 220V DC voltage. The frequency is high frequency and the output power is large, which can drive 40W energy-saving lamps. To Power available: 220V 0.1W-35W