4pcs LM2596 Adjustable DC-DC Step Down Buck Power Convert Module 4.0-40V Input to 1.25-37V Output with LED Voltmeter Display

Features? 1. Adjustable output voltage range of 1.25V ~ 37V continuously adjustable (1.5V input voltage must be higher than the output voltage). 2. Maximum output current up to 3A, normal and stable operating current of 2A With a voltage meter display, the use of advanced microprocessors, range 0 ~ 40V. (Note: To ensure accuracy voltmeter, please ensure that the input voltage is 4V above)  3. With power indicator light 4. Tap the right button to switch the input or output voltage measurements and has a light display which is being measured voltages, and save the settings, even then boot off 5. Voltmeter can be turned off when not needed can easily touch the left button 6. With terminals, no soldering iron can also be easy to use, and retention wire connection points 7. Using the internal oscillator frequency 150KHz, belongs to the second generation of switching voltage regulator, power consumption, high efficiency. 8. With overheat protection and short circuit protection Package included: 4* LM2596 DC-DC Buck Step-down Power Converter Module