Are you looking for a professional and practical usb tester? , ! Our electrical tester must meet your needs. This usb tester is made of sturdy ABS material, durable and sturdy for use. Fine workmanship ensures practicality and durability. Features -Color:Transparent -Material:ABS -Size:6.70X2.40X1.40cm/2.63X0.94X0.55in - Test various data lines and monitor charging status in real time, giving you more peace of mind. - Can monitor USB voltage, , capacity, power, load impedance and other data. - Suitable for detecting various fast charging, USB chargers, charging treasure capacity, mobile hard disk, computer USB interface, etc. - Adopt 12800 pixel color LCD display, the display is clear and visible. - This USB tester can monitor USB voltage, , capacity, power, load impedance and other data. Specification Measuring voltage: 3.3-30V (Resolution: 0.01V) Measuring : 0-5.1A (Resolution: 0.01A) Capacity measurement range: 0-99999mAh (Resolution: 0.01mAh) Energy measurement range: 0-999999mWh (Resolution: 0.01mWh) range: 0-150W (Resolution: 0.01W) Load impedance measurement range: 1-999.9 (Resolution: 0.01) measurement range: 0 degree centigrade-80 degree centigrade / 32°F-176°F (Resolution: 0.01 degree centigrade ) Input interface: USB USB D+ voltage range: 0-2.99V USB D - Voltage range: 0-2.99V Refresh time: >500mS/times Measurement rate: about 0.5 times/ resolution: 160x80 Consumable: <0.02A Operating range: -10 degree centigrade~+60 degree centigrade Working air pressure: 80-106KPA Package list: 1 x tester