GEREE Waterproof DC Converter 15-55V to DC 12V Car LED Display Power Supply Module Input voltage :DC 15-55V ; Output Voltage: DC 12V ; Lowest dropout: 2V ; Work temperature:-40+80 Output Current: 3A ; Output Power: 36W ; Conversion efficiency: exceed 85% Its material is epoxy potting , seismic, moisture, dust, long term stable and reliable quality. Super- thin, small size, high efficiency, easy installation and use. Dimensions: 46 x 32 x18MM. Over-current protection; overtemperature protection; troubleshooting automatically resume work. Note: VIN+:input positive,Red wire ; VIN-:input negative,Black wire ; VOUT+:output positive,Yellow wire ; VOUT-:output negative,Black wire