It can transform DC 12V provided by cars into AC 220V, and be extensively used for such electrical equipments as cell-phone, notebook computer, electric light, digital camera, CD, fan and other electric apparatuses with the power no more than 75W. Technical Parameters Rated Power: 75W Max Power: 100W Peak Power: 200W Input Voltage: DC 10.5~15V (for 711B, 712B) DC 20~30V (for 721B, 722B) Output Voltage: AC 100 or 110(for 711B, 721B) AC220 or 230,240 (for 712B, 722B) Output Frequency: 50Hz or 60 Hz Converter Efficiency: >90% No-load Current: ≦180mA Low Voltage Protection: 10.5?.25V Over Voltage Protection: 15V?.5V Overheat Protection: >45℃ Dimension: 114*60*36mm Weight: 130g (Product) + 45g (Package) Package: Double-side Plastic Blister, 50PCs/case Dimension of Case: 42*39.5*19.5cm Net Weight of Case: ??Kg Gross Weight of Case: 9Kg Product Features 1. True short-circuit protection, and no damage to electric apparatuses and automobiles at all 2. Universal socket, suitable for various kinds of plugs 3. Special movable socket protection device for improved safety 4. Extension cable for long distance use, regardless of automobile and seats distance 5. Multiple protection for low voltage, overload, over current, high temperature, over voltage and short circuit, etc., to ensure the safety of using the product, and to protect electric apparatuses and automobile circuit 6. Stylish, modern and unique design 7. Advanced circuit design, high-quality imported component, low heat generation and extremely low Return rate 8. Unique SMT process with more steady performance Usage Scope Cell-phone, notebook computer, electric light, video camera, camera, mini TV, razor, CD, fan, game machine, massage and medical equipment, refrigerator, safeguard and other electric apparatus with power below 100W.