Specification: color: red Material: aluminum alloy Maximum output: 400W Continuous output: 200W Input voltage: DC 12v Output voltage: AC 220V Waveform: Modified sine wave Input Interface: car charger interface Output Interface: US regulation (with universal socket) Cooling Fan: Yes USB interface: 2 Product Size: 20 * 6.5 * 3.7cm Tip: 1. Due to the size of the manual measurement, the error is 1-2cm, please forgive me! 2. Please note that the display, the screen resolution, the camera angle and the light intensity can cause visual differences! 3. Due to uncontrollable factors such as transportation, if the packaging is damaged, please contact us, we are ready to offer you a free replacement service!