UT658 USB Tester

From the shop's description

UT658 USB Tester UT658 series USB testers are used to inspect USB chargers and portable power source of electronics products. UT658 series can output voltage, current, and power. Applications: Users can use these devices to monitor charging status of any USB powered device. UT658 series USB testers are used to inspect USB chargers and portable power source of electronics products. UT658 series can output voltage, current, and power. Users can use these devices to monitor charging status of any USB powered device. Specifications of UT658 USB Tester Specifications UT658 Input voltage range (V) 3V~9V Voltage resolution 0.01V Voltage monitoring accuracy ±1% Current monitoring range (A) 0A~3A Current monitoring accuracy ±(1%±2) Current resolution 0.01A Capacity 0~9999mAH Capacity data storage 10 sets Display LCD Warning √ Button √ Cable length Pollution level 2 Working temperature 0℃~40℃ Storage temperature -10℃~50℃ Relative humidity <75% General Characterisitics Product color White Product net weight 28g Product size 84mm x 29mm x 12mm