- High-Accuracy Measurement: Achieve precise diagnostics with this professional circuit tester, featuring an accuracy of ±(1% + 3 digits) and a 0.1V resolution. It effectively detects voltage variations as small as 0.1V in a wide range of 4-60VDC, accommodating both classic 6V systems and modern 48V architectures. Maintains a ±0.3V tolerance even in challenging automotive environments. - Portable & Lightweight: Weighing only 150g (5.3oz) with compact dimensions of 22.8×3.1×2.3cm (9.0×1.2×0.9in), this circuit tester is designed for convenience. It includes a retractable 3m (9.8ft) test lead, making it easy to store and transport, ideal for mobile diagnostics at job sites or in workshops. - Easy to Use: This circuit tester features a user-friendly plug-and-play design for quick diagnostics. Bright LED indicators and a clear digital display provide instant feedback. Its ergonomic design and auto-ranging technology make voltage checks (4-60V) and fault detection straightforward, suitable for both novice and experienced users. - Premium Construction: Built with military-grade ABS housing and oxygen-free copper conductors, this circuit tester is exceptionally durable and corrosion-resistant. The high-impact ABS shell ensures longevity in tough workshop settings, while the 99.9% pure copper terminals guarantee maximum conductivity and reliable performance over time. Use Scenarios: - Ideal for automotive technicians diagnosing electrical issues in vehicles, from older models to the latest hybrids. - Perfect for DIY enthusiasts needing accurate voltage measurements for home electrical projects. - Great for field service technicians who require reliable tools for on-the-go diagnostics in various environments.