Circuit Tester Car Fuse Tester 3-70V Digital LED Automotive Test Light Digital Display Voltage Tester Pen with Retractable Spring Wire And Crocodile Clip for Wiring Circuit Checking (No Battery)

• 【Wide Application】This circuit tester with alligator clips and indicator light can be used to detect power ground and find shorts and breaks in wires, quickl.fuse tester
• 【Easy To Carry】This long probe pen circuit tester features a coiled spring wire that is lighter and smaller than other styluses, so it doesn't need to take up much space in your toolbox or any other storage area.
• 【Indicator Light and Digital Display】The socket tester features an indicator light on the handle that illuminates when the circuit connection is established. Additionally, it is equipped with a red digital display that allows users to easily read and interpret test voltage results. The anti-bending design of the tail wire ensures secure and reliable contact during testing.
• 【Bidirectional Voltage Testing】You can attach the alligator clamp either to negative or positive ground, there is also a light emitting diode on the circuit board for polarity indication, red light indicates positive polarity and green light indicates negative polarity. 5-90V low DC volt circuit test light, designed for checking various vehicles’ electrical circuits, such as automotive headlights, taillights, faulty sockets, fuse, also for testing other 5-90V DC wiring and circuits.
• 【Material】Sharp stainless steel probe for piercing wires, also suitable for hard to reach narrow areas. Insulation-protected rubber tip protects you from electric shocks. Heavy duty test light body made of high quality ABS, which is sturdy and durable, resistant to electricity and heat.

This professional-grade circuit tester combines a digital voltage display with LED test lights for quick diagnostics on 3-70V automotive systems. The battery-free design features a retractable 42" spring wire with crocodile clip, making it ideal for checking fuses, live circuits, and grounding points without external power.