Universal Compatibility
Works seamlessly with both 4-pin and 5-pin 12V automotive relays, ensuring broad vehicle coverage for cars, trucks, and motorcycles.
Premium Build Quality
Features durable ABS housing and corrosion-resistant battery clips for long-lasting performance in high-temperature engine environments.
Effortless Diagnostics
Simplifies relay testing with instant LED indicators – no multimeter required. Ideal for mechanics, DIY enthusiasts, and roadside emergencies.
All-in-One Portability
Compact design (120x60x30mm) includes integrated battery clamps for on-the-go testing without external power sources.
Commercial-Grade Reliability
Rated for 10,000+ test cycles with gold-plated terminals ensuring consistent conductivity. Bulk order available for repair shops.
Safety Certified
UL-tested insulation prevents short circuits when testing fuel pump, headlight, or AC relays.
Multi-Scenario Application
Essential for automotive workshops, fleet maintenance, and home garage troubleshooting of faulty relays causing electrical failures.