This probe pen is ideal for checking circuits, fuses, switches and wiring on automobiles, trailers, boats, motorcycles and other low voltage systems. Features: Handle is made of plastic and the hardened & tempered carbon steel probe is chrome plated. The sharp steel probe easily pierces wire insulation to check circuit. Test a range of circuits ranging from 6V to 24V.Light weight design and super convenient to bring with. Specifications: Material: Plastic, Carbon steel Color: Red/Black Clamp Capacity: 20ABulb: 3 Watt Bulb (Replaceable)Voltage Range: 6V-24VPen Length: 17.3cm / 6.8inchProbe Length: 8.3cm / 3.3inchLine Length: 96cm / 37.8inchPackage