WirthCo Battery Doctor Circuit and Spark Plug Tester (Model 0306.1088, Part 21049) is a handheld 12V–24V voltmeter-style tester designed to instantly locate wiring problems such as bad connections, faulty or broken wires and sockets. The tester features a light indicator that illuminates when the battery or circuit is sound and remains off for short circuits or low battery conditions. Included with the tester are an alligator ground clip and a 3-inch metal probe with protective cover. The unit measures approximately 10.4 x 2.5 x 1.1 inches and weighs about 0.15 pounds. It is battery powered and intended for automotive use to test circuits and spark plugs. Package includes 1 manufacturer's branded product. California Proposition 65 warning applies.
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