Feature●Durable construction - this electrical multi-tester is made from quality materials to ensure reliable results●Versatile shop tool - this multi-function tester can be used to confirm a variety of electrical system parameters●Precise results - this electrical tester has been calibrated to deliver dependable results for trustworthy diagnosis●Easy to use - this multi-function tester includes instructions for use●Support available - every Dorman part is backed by Dormans ASE Blue Seal Certified technical support teamDescription Test electrical circuits with confidence using this multi-function electrical tester. Made to test a variety of electrical parameters, it is constructed of quality materials to deliver reliable results.