band new and 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 dc output, it has overvoltage flow thermal short circuit and automatic 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 compatible with multiple 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 or over-current or over temperature or short circuit protection, and it can work in normal condition when restored The whole filling and sealing waterproofing design The fire retardant plastic casing Volume:35x26x20mm 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 percent , very low heat Quantity: 1Pc Package includes: DC12v to 9v 3A Converter x 1 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.