KOOBOOK 1Pcs DC-DC USB Input Converter Board Buck Boost Voltage Regulator Module DC 3.5~12V 5V to DC 1.2-24V 3.3V 9V 12V 24V Adjustable Output Digital Display Step Up Down Power Module

Description: This power supply is very convenient to use. You can easily output 1.2V to 24V adjustable voltage with power of 3W by plugging in USB or micro USB. It is very suitable for technical engineers to develop, debug instrumentation, after-sales engineer maintenance, and supply power to instrumentation. Specifications: Input Voltage: 3.5V~12V, support USB and micro USB 5V Output Voltage: Adjustable 1.2~24V Output Power: When output voltage is 1.2v~2v, please use it within 2W When output voltage is 2v~20v, please use it within 3W When output voltage is 20v~24v, please use it within 2.5W Output power = output voltage × output current Display: 3-Bit digital display Size: 64*22mm Direction of Potentiometer Knob: clockwise--increase voltage; counterclockwise--decrease voltage. Using 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: The installation of electronic modules requires basic knowledge and requires a certain electronic professional foundation and hands-on ability. Please purchase carefully! Manual measurement, with small error. Please check size in detail before purchase. Real colors may slightly differ from the pictures, as it depends on specific monitor settings and light brightness. We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution. Package Includes: 1Pcs