Features Effortless Circuit Testing: Ground the crocodile clips or chassis and easily pierce wire insulation with the probe to check circuit continuity without hassle Durable Bipolar Lamp: Equipped with a heat-resistant bipolar light emitting lamp, ensuring long-lasting stability and reliability during use over time Strong Stainless Steel Pin: Features a retractable stainless steel pin with a flexible leading wire, delivering excellent tensile strength for testing automotive fuses and lamp holders User-Friendly Design: The built-in handle light illuminates upon circuit connection, making this tool easy to operate and perfect for both beginners and experienced users Versatile Testing Range: Suitable for 6V, 12V, and 24V systems, this tool effectively tests circuits and accessories in trailers, motorcycles, airplanes, and more Features: 1、 Proc: Ground the crocodile clips or chassis, then test the circuit with the probe, the probe can easily pierce the wire insulation to check the continuity of the circuit. 2、Bipolar Light Emitting Lamp: The voltage test pen uses a bipolar light emitting lamp, which is not easily damaged by heat over a long period of time, and the lamp is also very stable. 3、Stainl Steel Pin: The voltage test pen uses a retractable stainl steel pin with a flexible leading wire with good tensile strength to test automotive fuses, lamp holders, etc. 4、Easy to Use: When the circuit connection is completed, the light built into the handle of the voltage test pen will light up, which is easy to use and very friendly to novices. 5、Wide Range of Testing: The automotive voltage test pen is mainly used to check all circuits and accories on 6V and 12V and 24V systems, and can be used on trailers, trailers, motorcycles, airplanes, etc. Specification: Item Type: Automotive Voltage Test Pen Material: Brass, Stainl Steel Voltage: DC6-24V Cable Length: Approx. 62cm / 24in Package List: 2 x Automotive Voltage Test Pen Note: Do not operate the tester outside the test range. Package List 2 x Automotive Voltage Test Pen