10 Pcs 3.0-40V to 1.5-35V LM2596 Buck Converter Adjustable DC-DC Step-Down Module Power Supply Step Down Voltage Regulator Module for DIY Voltage Adjustment

【lm2596s Module】 Input voltage range: DC 3.2V to 40V (The input voltage must be 1.5V higher than the output voltage.Output voltage range: DC 1.25V to 35V continuously adjustable voltage, Maximum output current is 3A.
【Mini Size】 45 * 23 * 14 mm (length * width * height) (with potentiometer)，Can be placed in a smaller space，Easy to install.
【Features】 High inductance Q value, high conversion efficiency up to 92%, less dissipation.
【Application】 For your mobile phone, MP3, MP4, PSP charging and many other devices power supply，for a variety of voltage test system debugging the appropriate voltage.
【Package Content 】 10 Pcs Buck Boost Converter.

Hello,