JASTIND Heavy Duty 3-72V Digital LED Automotive Test Light with Polarity Indicator

Introducing the JASTIND Heavy Duty 3-72V Digital Test Light

This premium automotive tester is built to handle a wide array of 3-72V DC circuits with precision and ease. Its rugged construction, extra-long 142 inch wire, and corrosion-resistant stainless probe are designed for daily shop use and roadside diagnostics alike. Whether you are checking car headlights, taillights, fuses, or battery connections, this tester provides quick, actionable feedback that helps you work efficiently without guesswork.

Smart measurement and visibility

The LED digital display reads voltage in 0.1V steps with an accuracy of ±0.2V, so you can gauge conditions at a glance day or night. Auxiliary lighting with two LED beads brightens the measured area, making the tool practical for low-light environments.

• Voltage readout in compact, easy-to-see digits
• Two illumination LEDs brighten the test area for late-evening or dim spaces

Polarity and safety at a glance

Bidirectional testing shows polarity clearly with audible cues, helping you connect to ground or positive safely. Red light and a single buzz indicate positive, while green light with two buzzes signals negative.

• Clamp can connect to ground or positive
• Low current designed to reduce risk to central computers

Build, reach, and reliability

The tester features a sharp stainless steel probe for precise access and a protective anti-lost cap for safe storage. The 142 inch extended wire is outer PU jacketed with a copper inner core, and it automatically recoils for easy handling.

• Sharp stainless steel probe for precise access
• Anti-lost protective cap improves safety during storage
• 142 inch extended wire with copper core for flexible reach

Long-term support you can count on

JASTIND backs this model with ongoing quality support, making it a solid choice for 지속적인 automotive diagnostics and daily use. Add to cart with confidence as you prepare for dependable operation over years.