amiciSmart 3.0-40V to 1.5-35V Power Supply DC to DC Buck Converter Step Down Module Alternative Energy Electronic Hobby Kit

Input: DC 3 V to 40 V (input voltage must be 1.5 V higher than the output voltage, no boost). Output voltage: 1.25V ~ 37V continuously adjustable (input voltage must be higher than the voltage to be output more than 1V) The normal stable operating current is 2A. Upgraded version switching voltage regulator, which has low power consumption and high efficiency. Touch the button to switch the measurement input or output voltage. LED digital voltmeter tube, the accuracy is adjustable function, can be aimed at your multi-meter adjustable accurate. Press the rightkey to let the display show the input or output voltage. When the right “OUT” led light, it shows output, the left “IN” led show input.