SMAKN LM2576HV Dc-dc Adjustable Power Supply Step-down Module Input 5-60v to Output 1.25-30v DC-DC Adjustable Step-Down Voltage Regulator Module Based on famous LM2596HV Wide Input Voltage Input : 5 -56V Output : 1.25 -30V 1.5Amp Normal Output 3Amp Peak Output of 25Watt Peak Power 25Watt (need to Use with Good Heat Sink) Dimensions: L * W * 4.3cm * 3.0cm * 1.2cm Package Contains 1Nos DC-Dc Module Note Input voltage is always greater than Output Voltage Package contains 1 Nos of DC - Dc Step down Module Output : 1.25 -30V 1.5Amp Normal Output 3Amp Peak Output of 25Watt Peak Power 25Watt (need to Use with Good Heat Sink)