Uxcell RJ11 Adapter Louder Telephone Ring Flash Amplifier Ringer for Landline Telephone Product Name : Amplified Telephone Ringer; Material : Plastic Color : White; Flasher Color : Red "Size : 3"" x 2"" x 1"" (LWD)" Weight : 41.3g Package Contents : 1 x RJ11 Telephone Ringer