TOOGOO(R) 2-Way 6P4C RJ11 Modular Phone Telephone Wall Adapter and Splitter for Landline Telephone Plug the 2-for-1 Modular Phone Splitter into existing modular jack at the wall Color: White Dimension: L3.7 x W2.7 x H 2.2cm Weight: 8.0g Package included: 1 x 2-Way Telephone Adapter