Specifications:Color: BlackMaterial: Steel + ABSCompatible Connectors: 4P, 6P, 8PCompatible Wire: RJ11, RJ12, RJ45Power Supply: 3 * DC LR-44 BatteriesItem Size: Approx. 19.7 * 6.6 * 2.6cm / 7.8 * 2.6 * 1inItem Weight: Approx. 415g / 14.6ozPackage Size: Approx. 28.5 * 14.9 * 5.8cm / 11.2 * 5.9 * 2.3inPackage Weight: Approx. 593g / 20.9oz Features:Built-in sharp and thick cutter for high precise cutting.Can crimp 4P, 6P and 8P connectors.Testing for both UTP and STP cables.Built-in LED signal indication from low to high.Network wire checking function to judge continuity/short circuit/open circuit/wiring error. Rugged design and anti-rust coating, high durability and long service life.The wire tester is detachable to meet different needs.Low battery indication and auto power saving function.Comes with a protective bag, easy to storage.