30pack Dc to Dc Buck Boost Converter for Input 3.2v to 35v Output

Reasonable Voltage Ranges: the input voltage of the DC to DC converter ranges from DC 3.2V to 35V, the output voltage ranges from DC 1.25V to 30V, please kindly note that input voltage should be higher than the output voltage, and input and output can not be reversedProper Dimension to Apply: the size of the adjustable voltage regulator 43 x 13 x 21 mm/ 1.69 x 0.51 x 0.83 inches, and the maximum output current is 3A, appropriate and efficient for you to apply, saving time and effortEasy to Operate: our DIY DC to DC converter is easy to operate, you can adjust the blue potentiometer knob and with a multimeter, monitoring the output voltage to reach the required voltage, bringing you more convenienceServiceable and Lasting: each DC voltage converter is mainly made of quality metal, reliable and sturdy, not easy to deform or break, and can be kept for a long time; The surface of the converter is smooth and comfortable to touch, easy for you to useAdequate to Meet Your Needs: you will receive 30 pieces of buck voltage regulators in total; The quantity is sufficient for you to use and replace, and can easily meet your daily use and other requirementsMaterial: Metalcolour: As shownPackage Contents:1 set x buck converter(30 pcs)Only the above package content, other products are not included.Note: Light shooting 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.