<p>The LCD can display input\/output voltage, output current\/output power\/output capacity\/output time</p> <p>Numerical control adjustment, accurate and fast, can boost or the voltage, the output voltage can be adjusted 0.5-30V, and the limit current can be adjusted 0-4A</p> <p>The input terminal is protected against reverse connection and not be burned when reverse connection occurs</p> <p>The output end is anti-backflow, and there is no need to add an additional anti-backflow diode when charging the battery</p> <p>The module can be set to be on\/off by default</p> <p>It has a variety of software protection mechanisms and the protection thresholds are adjustable. After the module operating parameters exceed the protection threshold, the output is automatically turned off.</p> <p>The output ripple is small and has \u03C0-type filtering;</p> <p>Thicken the heat sink.</p> <p>DUE to Different Batches, The Apperance, Color and Printing of the Product May Be Different, which does not attract use.</p> <p>Colour:Black</p> <p>Material:Plastic</p> <p>Package Contents:</p> <p>1 * Buck Boost Converter</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>