XIITIA 6pcs USB Buck Boost Converter 3.5V-12V to 1.2V-24V DC-DC Adjustable Step Up Step Down Power Supply Module Voltage Regulator 5V to 3.3V 9V 12V 18V 24V

Features: One button to turn off the output Supply ON/OFF display screen Support low power mode Support sleep mode Support both standard USB and Micro USB and pads input voltage; Potentiometer with rotating handle. Parameters: Input Voltage: DC 3.5-12V Output voltage:DC 1.2-24V Input 1.2-2V,output power within 2W Input 2V-20V,output power within 3W Input 20V-24V,output power with in 2.5W Display: 3 Bit digital tube display Use Steps: Input voltage from Standard USB or Micro USB or ‘VIN+' and ‘VIN-' Turn ON display screen Adjust potentiometer to get the required voltage Connect load Note: It is not a high power supply, please use it within the power range.