... to 5V 3A 15W Car Voltage PSU Converter Regulator Module for GPS, LED, MP3,MobileDescriptionUse synchronous voltage stabilizing technology, ... signals, medical equipment, instruments and meters, LED displays, cable TV,GPS,MP3, MP4 and other fields.Specifications:Input ... efficiency: 96%heating value:under 60°C Input cable 15cmOutput cable with USB interface 28cmFeatures:over-voltage protectionover-current ...