Professional-Grade Auto Circuit Tester for Reliable Diagnostics
Precision-engineered with a durable ABS shell and corrosion-resistant alloy probe for long-lasting performance. Features a bright LED bulb for clear voltage detection in low-light conditions.
Versatile Compatibility & Accurate Readings
Works flawlessly across 6V, 12V, and 24V DC systems—ideal for cars, trucks, motorcycles, and marine engines. The extended 18-inch probe reaches tight spaces, ensuring hassle-free testing.
Industrial-Strength Durability
Reinforced silicone wiring and shock-resistant design withstand extreme temperatures (-20°C to 70°C) and harsh workshop environments.
User-Friendly & Instant Results
Simple plug-and-play operation—no batteries needed. The dual-color LED instantly indicates circuit status (red/green) for quick fault detection.
Trusted by Mechanics & DIY Enthusiasts
Perfect for troubleshooting fuses, relays, wiring harnesses, and battery terminals. Bulk orders available for auto repair shops and wholesalers.
Lowest Price Guaranteed—Wholesale Discounts on Large Orders
Stock up on premium testers at unbeatable rates, shipped globally with fast logistics.