Gardner Bender GUSB-3450 LCD USB Tester Red

Highlights:Color : Red;Height : 5 ;Width : 1 ;Depth : 2.5 ;LCD display;Tests USB port function USB cables voltage measurement and current measurement;Easy to use and understand;High impact housing;CHECKS: voltage current charging cables measures current draw and test for proper wiring and polarity;TESTS: functionality polarity and proper wiring of USB ports;DESIGNED USE: home office and auto;Hi-impact ABS housing a 250-pound crush rating and the ability to withstand a drop of up to 10 ;Fits in shirt pocket in any tool pouch or easily in your home or office desk drawer making it easy and convenient to store;