LED Numeric Display: The buck converter has an LED voltmeter with ± 0.1V error. Input is 4.0V -40V, output is 1.25V -37V. Below 4V input, the display turns off. Hold the switch 1-4 seconds to disable the voltmeter; press briefly to reactivate; LM2596
Adjustable Buck Converter: This second-generation voltage regulator operates at 150KHz, with low power use and high efficiency. High-quality capacitors ensure stability, durability, and noise filtering; Ease of
Use: Adjust output voltage easily with a mini screwdriver. Quick-connect terminal blocks eliminate soldering;
Features & Safety: Two diodes protect against reverse polarity. Overheat and short-circuit protection are included. For over 15W, add heat dissipation;
Applications: Versatile for automotive, DIY, and industrial use, suitable for pros and beginners