Relay Tester 12V – Automotive Relay and Circuit Fault Diagnostic Tool • Precision Fault Detection – Designed for both household and commercial vehicles operating on 12V to 48V systems, this tester delivers accurate current measurement with sensitivity down to 0.01A. Detects small electrical fluctuations for rapid identification of shorts, breaks, and irregularities in circuits, helping prevent costly damage and downtime. Ideal for diagnosing vehicle lighting circuits, auxiliary systems, and custom electrical setups. • AllCondition Visibility – Features a blue backlit LCD display that delivers clear, easytoread measurements whether you are working in bright sunlight or complete darkness. An integrated front lamp illuminates the workspace during nighttime or lowlight repairs, while dual lighting options ensure you never miss an electrical fluctuation. Enhances safety and inspection accuracy during afterhours or roadside diagnostics. • PlugandPlay Simplicity – Operates without requiring specialized training. Simply insert the tester into fuse sockets for instant diagnostics. No complex setup is . Allows quick professionalgrade testing of shorts, ground faults, and fuse integrity within seconds, saving time and reducing troubleshooting complexity. Suitable for both experienced technicians and beginners. • Rugged and Ergonomic Build – Constructed with impactresistant ABS/PC housing designed to withstand heavy use in garages or workshops. Antislip rubber coating offers a secure grip, reducing hand fatigue during prolonged testing. Waterproofing enhances performance reliability in harsh environments, ensuring dependable operation in areas exposed to moisture, dust, or accidental spills. Applications: 1. Automotive repairs – Rapidly identify and isolate faulty relays or fuses in passenger cars, trucks, or commercial vehicles. 2. Fleet maintenance – Maintain vehicle electrical systems with fast, accurate diagnostics for multiple vehicles on tight schedules. 3. Custom installations – Verify performance in aftermarket lighting, sound systems, or electronic upgrades without dismantling components. Specifications: • Voltage compatibility: 12V to 48V systems • Measurement accuracy: Detects current changes down to 0.01A • Display: Blue backlit LCD with integrated front lamp • Housing: Impactresistant ABS/PC with antislip rubber coating • Waterproof design for use in challenging environments This relay tester combines advanced fault detection with userfriendly operation, durable construction, and versatile compatibility, making it a reliable choice for automotive professionals and enthusiasts seeking efficient, accurate electrical diagnostics.