band new and high quality Function information: This product adopts synchronous voltage regulator technology, full import original components,can will not stable 8.0 V - 23.0 V between arbitrary voltage conversion into stable 5.0 V for dc output, it has overvoltage flow thermal short circuit and automatic for protection function, and can return to normal conditions in normal work after The American import high heat conduction organic silica gel and filling and sealing technology, and is for multiple for protection function, over voltage, over current, short circuit, seismic, waterproof, moistureproof, etc., are widely used in car LED screen, GPS navigation, MP3, MP4, car DVD, hard disk player, stereo, is the best equipment preferred power supply, please customers to use it Product Features: With overload/over-current/over temperature/short circuit for protection, and it can work in normal condition when restored The whole filling and sealing waterproofing design The fire retardant plastic casing Volume:35*26*20mm Technical Specifications: input voltage: 12 v (8 v - 23 v) Output voltage: 3.0v 3.3v 3.7v 5.5v 5.0v 7.5v 9.0v Output current: 3 A Output power: 15 w Synchronous rectification, the conversion rate is 96%, very low heat Quantity: 1Pc Package includes: DC12v to 9v 3A Converter x 1