Product Code: 4564076
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Gardner Bender's GUSB-3300 USB Tester is a 3 function USB tester used for checking for the presence of voltage and testing for proper wiring and polarity. The tester features a high-impact housing and a pocket clip. It features an LED that illuminates to easily indicate one of four different USB conditions dead port, ok port, reversed polarity and AC voltage present. Features a 1 year warranty.