Specifications:Input voltage: DC10-15vOutput voltage: AC110, AC220Output frequency: 60hzLow voltage warning: DC10V-11VLow voltage closing voltage (no load) : DC10V В± 2VHigh voltage closing voltage (no load) : DC15V В± 2VNo load loss: < 0.2AConversion efficiency: > 95%Output waveform: corrected sine wavePeak power: 500WSize: 165 * 75 * 38 mm Features:- It is simply and easy to use. The battery clips connect to a 12V battery or the lighter connect into the vehicle. And the inverter will give you the power for car laptop charger, driving tours, mobile office work, camping and emergencies of power outages.- Lightweight and compact, ideal for vacations, camping and work trips. It can be plugged into almost any 12V power output vehicle, providing charging opportunities anywhere.- It is prefect quality for power inverter 500w, not only the beautiful shape of this inverter, but there has wonderful power output and normal temperature during its working. Package included:1 x USB Car Inverter