12V to 3.7V 3A 11W DC-DC Step Down Converter Car Power Supply Module New

[" r Quantity: 1 pcr Input voltage: for DC 12 Vr (Input Voltage must Higher 3V than Output Voltage)r Output voltage: 3.7Vr Output Current: 3Ar Power :11wr Conversion efficiency: 96%r Size :46mmX26mmX14mm/1.for 81'X1.02'X0.55'r "]