Motion Sensor LED Night Light USB Charging Human Body Induction Lamp Corridor Automatic Induction Lamp Aisle Wall Lamp Bedroom Wardrobe Bedside Night Light White

First, the performance parameters 1, input / output voltage 3V-9V 2, voltage resolution: 0.01V 3, input / output current: 0A-5A (see the range of use 0-3A) 4, current resolution: 0.01A 5, accuracy: plus or minus 1% 6, line loss: about 0.1 ohm 7, test content: voltage, current, 8, communication function: Yes 9, data calibration function: Yes   Second, the characteristics Simultaneous display of voltage and current data for easy viewing Can detect multiple power supply output voltages and currents Detectable USB cable quality With precision current calibration, current accuracy is higher (it has been calibrated at the time of shipment) Third, the instructions for use Measuring voltage and current: The USB male plugs in the 5V charger, the female socket is plugged into the mobile phone and other devices, and the voltage and current parameters are directly read out.