It is a 15W USB Charger/Adapter/Car Charger, Input voltage: DC 12V (8~20V), Output voltage: DC 5V, Output Current: 3A Max. (2A,long-term work), Application: Power adapter/electronic equipment /LED Car Display/Car Charger/Car DVD/HDD Player /GPS/MP3/MP4 and DIY etc.

• Rectification: synchronous rectification, low heat
• Module dimensions: 43 x 22 x 11mm
• Input wire: 800mm
• Output wire:300mm
• Input voltage: DC 12V (8~20V)
• Output voltage: DC 5V
• Output Current: 3A Max. (2A,long-term work)
• Output Power: 15W Max. (10W, long-term work )
• load power consumption: 10~12mA
• Conversion efficiency: 94% Max.
• Operating Temperature: industrial -40 °c to 80°c  (if ambient temperature exceeds 40°c, lower power use)
• Reverse polarity protection: YES
• Output short circuit protection: YES
• Over current protection: YES
• Over temperature protection: YES
• Application: Power adapter/electronic equipment /LED Car Display/Car Charger/Car DVD/HDD Player /GPS/MP3/MP4 and DIY etc.

• 1 x DC to DC Buck Converter ( USB Adapter/USB Charger/Power Supply Module/Voltage Regulator )