Features: 1DURABLE MATERIAL: Handle made of plastic hardened and tempered carbon steel probes with chrome plated. 2LONG PROBE: Digital LED circuit tester has a incisive steel probe that easily pierces the wire insulation to check the circuit. 3WITH TEST LIGHT: Digital circuit tester comes with a test light that glows in the handle when the circuit connection is complete. 4TEST RANGE: Test range of LED circuit tester is from 3V to 70V circuits suitable for checking various automotive circuits. 5PORTABLE DESIGN: Automotive circuit tester is small and light weight does not take up space easy to carry suitable for outdoor use. Specification: Item Type: Digital Circuit TesterMaterial: Plastic Carbon SteelProduct Size: Approx. 19.7x2.5cm / 7.8x1.0inClamp Capacity: 20AProbe Length: Approx. 8cm/3.1inGross Weight: 120g/4.2oz Package List: 1 x DigitalCircuitTester Note: All data are measured manually and there are certain errors in the measurement results.