DescriptionThis USB meter with practical functions, you can monitor voltage, current, capacity, power, etc. This is a very practical USB detector that will bring you convenience. It has a scientific design structure, simple and practical, and easy to apply.Features-Color:Transparent blue-Material:ABS-Size:6.70X2.40X1.40cm/2.63X0.94X0.55in-Test various data cables and monitor the charging status in real time, giving you more peace of mind.-Simple and convenient to use, scientific design structure, durable and practical, and easy to apply.-This USB tester can monitor USB voltage, current, capacity, power, load impedance and other data.-High-definition color LCD display to display the state of charge of the appliance, which is very convenient to use.-Suitable for detecting all kinds of USB charger, power banks capacity, mobile hard disk, computer USB interface, etc.Specification:Measuring voltage: 3.3-30VMeasuring current: 0-5.1ACapacity measurement range: 0-99999mAhEnergy measurement range: 0-999999mWhPower measurement range: 0-150WLoad impedance measurement range: 1-999.9Temperature measurement range: 0C-80C / 32F-176FVoltage measurement resolution: 0.01VCurrent measurement resolution: 0.01AInput interface: USBUSB D+ voltage range: 0-2.99VUSB D - Voltage range: 0-2.99VRefresh time: gt;500mS/timesMeasurement rate: about 0.5 times/secondOperating temperature range: -10C~+60CWorking air pressure: 80-106KPAPacking list1 x USB tester