6V 12V 24V DC Car Truck Voltage Circuit Tester Car Test VoltMeter Long Probe Pen Light Bulb Automobile Maintenance Repair Tool Features. Light weight and easy to carry. Handle made of AS plastic, hardened and tempered carbon steel probe with chrome plating. The sharp steel probe easily pierces the wire insulation to check the circuit. The light in the handle glows when the circuit connection is complete. Tests circuits from 6V to 24V. Parameters Material: AS plastic, carbon steel Handle color: as shown in the picture Pen length: 17.3cm/6.8 inches Probe length: 8.3cm/3.3 inches Line length: 96cm/37.8 inches Package weight: 118g Quantity: 1 piece Clamp capacity: 20APM Bulb: 3 watt bulb (replaceable) Voltage range: 6V-24V Package includes 1 x circuit tester