The EM Help Phone FC-4357 is a large button amplifier telephone designed for use by individuals with low vision or who are hard of hearing. This corded telephone has over-sized keys and 40 decibel (dB) handset amplification. The hearing-aid compatible, concave earpiece helps block external noise, while a flashing light accompanies the ring. The receiver, ringer, and speakerphone all have adjustable volume controls. This phone sets up for wall, desk, or bedside use. A one-touch key automatically dials 911. Programmable memories for most-commonly-used numbers are backed up for life without needing batteries or an alternating current (AC) adapter. Instructions are included. DIMENSIONS (LxWxH): 9 x 6 x 3 inches. The cord is 6 feet long. COLOR: White or black.