About this item Input voltage: DC 10-32V; USB Cable length: 13.77 Inch (35cm) Output voltage: DC 5V; Output current: 3A max; Output power: 15W max With input reverse connection protection, overload, overcurrent, overheat, low voltage, short circuit, and automatic protection This 12V to 5V USB converter has an integrated switching thin regulator module with a 96% conversion rate Wide range of applications: suitable for GPS navigation, car recorder, electronic dog, car radio, car audio, MP3/MP4, intercom, monitoring system, bus display, cab advertising screen, car recorder, LCD TV, LED, etc Dimensions: 5.67 x 4.8 x 0.91 inches