CA-2596S LED Voltmeter Power Supply Module With Digital Display LM2596

Input Voltage 4.0 ~ 40V. (Input voltage must be higher than the output voltage of 1.5v or more) Adjustable output voltage range of 1.25V ~ 37V continuously adjustable. (Input voltage must be higher than the output voltage of 1.5V) Output current 3A, recommendations within 2.0A use, high current needed to enhance heat dissipation.