GBC INV03DE 500W Power Inverter, 12V-DC to 230V-AC, Modified Sine Wave, with USB, Black Features Inverter with “Soft Start” technology. Modified sine waveform. USB 5Vdc 0.5A output. With cooling fan. Specifications Input voltage: 10-15 Vdc Rated power: 600 W Peak power: 1200 W Output voltage” 220-240 Vac OUT voltage frequency: 50/60Hz ±0.5Hz Current IN: 50 A Waveform: Sinusoidal Modified Input: Alligator clips Output: 1 Schuko sockets Technology: SoftStart Remote control: No Minimum battery: 50 Ah Fuses: 2 x 30A Maximum Efficiency: 0.9 Low Battery Alarm: 10.5 – 11.5 Vdc OFF Undervoltage: 9.5 – 10.5 Vdc OFF Overvoltage: 15.5 Vdc Additional functions: 1 USB socket Degree of protection: IP20 Material: Aluminium Dimensions: 205 x 112 x 52 mm Weight: 1.49 Kg Color: Silver