Edward Tools Pro Auto Circuit Tester Probe - LED Bulb 6V / 12V / 24V Test Light with Two Spare Replacement LEDs - 140 Extendable Spring Probe Wire - Auto,Car, Truck - Test Headlights, Blinker

Versatile automotive circuit tester with 6-24V DC voltage range for testing various vehicle electrical circuits, including headlights, taillights, turn signals, and more | Quality LED bulb provides high visibility and long service life, with brightness adjusting according to measured voltages; includes 2 spare LED bulbs for extended usage | Bidirectional current voltage testing allows for easy attachment to negative or positive ground, while the sharp stainless steel probe ensures precise contact | Constructed with durable materials including high-quality acetate fiber body and premium PU spring wire for heat insulation and oil resistance | Features a 140-inch extendable spring probe wire for flexibility and convenience, along with a large alligator clip for effortless one-handed operation, enhancing overall efficiency in automotive diagnostics