Professional 6-24V Auto Test Light with Long Probe Pen
High-conductivity copper core ensures accurate voltage and continuity testing. Extra-long 250mm stainless steel probe reaches tight spaces in automotive circuits. Dual-color LED instantly indicates 6-24V DC power (red for voltage, green for continuity). Industrial-grade ABS housing resists drops and chemicals. Perfect for diagnosing car batteries, fuses, relays, and wiring harnesses. Essential for mechanics, DIY enthusiasts, and roadside emergencies. Bulk pricing available for auto repair shops and wholesalers.