2PCS DC Buck Converter DC-DC Buck Step Down Module LM2596 DC/DC 4.0~40V to 1.25-37V Adjustable Voltage Regulator With LED Voltmeter
Input voltage range: 4-40 v (40 v to limit the highest voltage).
Output voltage range:1.25V - 37V (decompression mode, input output must be greater than 2 V above).
Output current: 2 A continuous output.
Output power: the maximum 15 w.
With voltage display function, the displayed accuracy is ± 0.05V, range is 0 - 40V.( Note: in order to voltage display more accurate, please ensure that the input voltage is higher than 4V) .