Gardner Bender 4-Function Digital USB Multimeter

USB (Universal Serial Bus) multimeter used to confirm USB port voltage and current, check chargers, cables, and USB ports. Features a high-impact housing and a pocket clip. Ideal to measure current draw, measure performance of solar USB chargers, and test for proper wiring and polarity. The easy-to-understand display alternates between volts and amps. Features a 1-year warranty.