Scope of delivery: 2 pieces of cable coupler for easy connection or extension of two network cables with RJ45 sockets and do not affect network speed. High quality: Made of high quality ABS, environmentally friendly materials and antioxidants without harmful substances, impact resistant, heat resistant, ROHS compliant. RJ45 Extension Adapter: RJ45 Ethernet coupling helps you connect 2 network cables to extend existing cable length and not influence network speed.Perfectly suitable for Rj45 patch cables, LAN cables, network cables, Ethernet cables, Gigabit LAN cables and more. Protected against external interference：The robust metal coupling ensures the best shielding properties and guarantees reliable signal transmission.This shielding provides protection against external interference such as paralleled power cables and ensures interference-free data transmission. Fast delivery: These goods are sent from Germany.Shipping within Germany usually only takes 2-3 working days.