The telephone splitter is made of ABS material, durable, wear resistant, easy to plug and unplug, smooth surface and long usage life. Straight through wiring connector, light weight, space saving, easy to carry and store, just plug and play, easy to use. This product only has the function of transferring from Internet to telephone, and has nothing to do with the network. Please confirm the compatiblity before purchase. Package includes 2 pieces of telephone RJ11(6P4C)Female to RJ45(8P8C)Male Cable. Connector 1 RJ11 Female Connector 2 RJ45 Male Material ABS, Copper Colour White Size 37x21x16mm/ 1.46x0.83x0.63in Cable Length About 145mm/5.71in Type Adapter Brand Unbranded/Generic MPN TJ4894927217926 EAN 4894927217926 .