ARDUINO M362 DC-DC step-down power supply adjustable push-button module with LCD display Power Supply Electronic Hobby Kit

Input voltage: 4.75 ~ 23V, maximum 23V, recommended to use within 20V. (Input voltage must be higher than the output voltage 1.5v above, make sure that the positive and negative input voltage and then access, reverse may damage the module components are responsible for this reason)Output voltage: 0V ~ 15V continuously adjustable, automatically saves the last set voltage.Output Current: 3AMAX (2A long time use). Accuracy of 1%, the minimum display 0.01 units A, 10mA or less will not be displayed.Size: 50mm * 30mm * 10mm.