Why Choose PEALIFE: PEALIFE is a Tools Brand , which has been Specialized in DIY hardware tools over 20 years.Professional Network RJ45 Crimper Tool Kit, Cutter Stripper for RJ45, CAT5e Cable with RJ45 CAT5 CAT5e Connectors. 1. LAN/Ethernet Cable Tester For cables with RJ45/RJ11/RJ12 Connector (battery/charger not included). The LED lights will flash in rotation if all the wires are properly connected, otherwise the corresponding light will not flash. 2. The color of the LED light does not mean anything. All in one 8P/RJ-45, 6P/RJ-12 RJ-11 Crimp/Cut/Strip Tool Professional crimp tool crimps, strips and cuts cable for 6 and 8 position modular plugs/connectors for your variety of network needs. 3. The crimp tool offers reliable, easy-to-use and affordable solution to meet immediate cutting needs. This user friendly device works with any Ethernet or telephone cable. Built-in cutter and stripper function. 4. Modular Network Crimper The Modular Crimper/Stripper is durably made from high-carbon steel and finished in black oxide for high performance. 5. It helps provide fast, reliable modular-crimp connector installation for RJ45 voice and data applications. Cuts, Strips and Crimps Twisted Pair, Ethernet, RJ45 Voice and Data Cables. 6. Steel body with black-oxide finish for excellent performance and durability. Packing included 1 x RJ45 Crimp Tool 1 x Network Cable Tester 1 x Network Wire Stripper 30PCS x RJ45 Connectors 20PCS x Protective Cover