Product description: The probe pen is very suitable for checking circuits, fuses, switches and wiring on cars, trailers, ships, motorcycles and other low-voltage systems. Ground the alligator clip and connect the probe to the test circuit. If the indicator light is on, it means there is power. Features: 1. The handle is made of plastic, and the hardened and tempered carbon steel probe is chrome plated. 2. The sharp steel probe can easily pierce the wire insulation to check the circuit. 3. When the circuit connection is completed, the light in the handle will light up. 4. Test the circuit within the range of 3V-70V. 5. Light weight, easy to carry. Specifications: Material: plastic, carbon steel Color: as shown in the figure Clamp capacity: 20A Bulb: 3 watt bulb (replaceable) Voltage range: 6V-70V Pen length: 17.3cm/6.8 inches Probe length: 8.3cm/3.3 inches Line length: 96cm/37.8 inches Package weight: 125g Quantity: 1 piece Package List: 1 * Circuit tester Note: 1. Please allow 1-3mm error due to manual measurement. Please make sure you don't mind before bidding. 2. Due to the differences between different displays, the picture may not reflect the actual color of the project. Thank you.