1.Description: USB boost or buck power supply module, powered by USB, adjust potentiometer to get the required voltage. 2.Features: 1>.One button to turn off the output 2>.Supply ON or OFF display screen 3>.Support low power mode 4>.Support sleep mode 5>.Support both standard USB and Micro USB and pads input voltage 6>.Potentiometer with rotating handle. 3.Parameters: 1>.Input voltage: DC 3.5-12V 2>.Output voltage:DC 1.2-24V 3>.Output power: Input 1.2-2V,output power within 2W Input 2V-20V,output power within 3W Input 20V-24V,output power with in 2.5W 4>.Display:3Bit digital tube display 5>.Size:80x20x14mm. 4.Use steps: 1>.Input voltage from Standard USB or Micro USB or VINand and VIN- 2>.Turn ON display screen 3>.Adjust potentiometer to get the required voltage 4>.Connect load. 5.Application: 1>.Ordinary power supply 2>.Battery charger 3>.LED drive power 4>.Instrument voltage display 5>.Test meter 6>.Circuit test 7>.Power conversion. 6.Package include: 1>.1pcs XY-UP USB boost or buck power supply module 7.Note: 1>.It is not a high power supply, please use it within the power range. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.