OEM DM303 Circuit Tester – Multifunctional Automotive Diagnostic Tool

Precision K/CAN Line Testing
– Engineered for accurate voltage, resistance, and continuity checks on K-line and CAN-bus systems, ensuring seamless vehicle diagnostics.
Industrial-Grade Build
– Features a reinforced ABS casing with anti-slip grip, paired with gold-plated probes for corrosion-resistant, high-conductivity performance.
Wide Compatibility
– Supports 12V/24V vehicles (cars, trucks, motorcycles) and interfaces with OBD-II protocols for ECU, ABS, and airbag system troubleshooting.
Smart Auto-Ranging
– Eliminates manual range switching with automatic detection for DC voltage (0-40V), current (0-10A), and resistance (0-2MΩ).
Ergonomic LED Display
– High-contrast backlit screen ensures readability in low-light garages or roadside repairs.
Professional & DIY Use
– Ideal for mechanics, auto workshops, and DIY enthusiasts performing quick diagnostics or deep circuit analysis.
Bulk Order Advantage
– Direct factory pricing with wholesale discounts for large-volume purchases, backed by global logistics support.