Technical engineers, after-sales engineers, are you still worried about the power collocation of 3.3v,5v,12v,24v? This product easily solves your problem with various power supplies. This power is very convenient To use, just plug in USB or micro USB can output from 1.2V to 24V adjustable voltage, power 3W, very suitable for technical engineer R&D, instrumentation debugging, after-sales engineers to repair the instrumentation power supply, very convenient. Feature:1. Very convenient to use, plug in USB or micro USB can output adjustable voltage 1.2v-24v2. One-click and exit off3. Digital can be locked4. Precision adjustable potentiometer with multiple wheels5. Pre Electric Power Bank StateSpecifications:Input Voltage: DC 3.5-12V Output Voltage: DC 1.2-24V Output Power:Input 1.2-2V, Output Power Within 2W Output 2V-20V, Output Power Within 3W Output 20V-24V, Output Power W 2.5W Display Display: 3-bit Tube Digital Display One Button to Turn Off the Output Turn On/Off the Display Screen Support Low Power ModeSupport Sleep ModeSupport Both Standard USB and Micro USB and Pad Input Voltage; Potentiometer with a rotating handle. Use Steps:1. Input voltage from standard USB or Micro USB or "vin+" and "vin-";2. Turn on the display screen;3. Adjust the potentiometer to get the required voltage;4. Connect the load. Application:1. Regular power supply2. Battery Charger3. Diode power supply controller4. Instrument voltage indicator5. Test Meter6. Circuit Test7. Energy Conversion Size: 6.4x2.2cm/2.52x0.87inchNote: Please allow 1-3mm error due to manual measurement. pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Included:1x USB Up/Down Power Module