["Technical engineers,after-sales engineers,are you still worried about the collocation of 3.3v,5v,12v,24v power?This product easily solves your problem with a variety of power supplies.This power is very convenient to use, you just plug in USB or micro USB can output 1.2V to 24V of adjustable voltage, power 3W,very suitable for technical engineer research and development, debugging instrumentation,after-sale engineers to repair the power supply of instrumentation,very convenient.\r\n\r\nFeature:\r\n1.Very convenient to use, plug in USB or micro USB can output 1.2v-24v adjustable voltage\r\n2.One-click on and off output\r\n3.Digital can be closed\r\n4.Multi-circle Precision adjustable potentiometer adjustment\r\n5.Before the electric power storage state\r\n\r\nSpecifications:\r\nInput voltage:DC 3.5-12V\r\nOutput voltage:DC 1.2-24V\r\nOutput power:\r\nInput 1.2-2V,output power within 2W\r\nInput 2V-20V,output power within 3W\r\nInput 20V-24V,output power with in 2.5W\r\nDisplay:3Bit digital tube display\r\nOne button to turn off the output\r\nSupply ON/OFF display screen\r\nSupport low power mode\r\nSupport sleep mode\r\nSupport both standard USB and Micro USB and pads input voltage;\r\nPotentiometer with rotating handle.\r\nUse steps:\r\n1.Input voltage from Standard USB or Micro USB or ‘VIN+’ and ‘VIN-’;\r\n2.Turn ON display screen;\r\n3.Adjust potentiometer to get the required voltage;\r\n4.Connect load.\r\nApplication:\r\n1.Ordinary power supply\r\n2.Battery charger\r\n3.LED drive power\r\n4.Instrument voltage display\r\n5.Test meter\r\n6.Circuit test\r\n7.Power conversion\r\nSize:6.4x2.2cm/2.52x0.87inch\r\nNote:\r\nPlease allow 1-3mm error due to manual measurement.pls make sure you do not mind before you bid.\r\nDue to the difference between different monitors,the picture may not reflect the actual color of the item.Thank you!\r\n\r\nPackage Includes:\r\n1x USB Step UP/Down Power Supply Module"]