Feature: 1. DURABLE MATERIAL: Handle made of plastic, hardened and tempered carbon steel probes with chrome plated. 2. LONG PROBE: Digital LED circuit tester has a incisive steel probe that easily pierces the wire insulation to check the circuit. 3. WITH TEST LIGHT: Digital circuit tester comes with a test light that glows in the handle when the circuit connection is complete. 4. TEST RANGE: Test range of LED circuit tester is from 3V to 70V circuits, suitable for checking various automotive circuits. 5. PORTABLE 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 Tester Material: Plastic, Carbon Steel Product Size: Approx. 19.7x2.5cm / 7.8x1.0in Clamp Capacity: 20A Voltage Range: 3‑70V Probe Length: Approx. 8cm/3.1in Gross Weight: 120g/4.2oz. Package List: 1 x Digital Circuit Tester Note: All data are measured manually, and there are certain errors in the measurement results.