Whether deaf or hard of hearing, all guests can receive the same outstanding service, quality, and accessibility with Compu-TTY ADA-compliant equipment. The Text Telephone, also known as a TTY or TDD, allows typed messages to be transmitted through regular phone lines and permits two-way typed conversation with TTY phones on each end. The phone accepts round or square handsets, and has a user-friendly, 43-key PC-type keyboard for easy communication. Messages are viewed on a 20-character fluorescent display. This phone runs on standard AC Current or rechargeable batteries, which are included with each order. The device measures 10.25" W x 3" H x 12" D to ensure fit on tabletops, nightstands, and other surfaces, and comes backed by a one-year warranty.