Communication with the new krown v-touch tty will be faster and more convenient for the deaf-blind !To aid the deaf-blind in having a conversation over the telephone, krown manufacturing inc. Has developed a new krown braille-tty telephone. This device allows the user to communicate with a relay operator, another tty, or even a braille-tty user in the united states and all over the world. The conversation is shown on the braille display from the vtouch braille terminal. Features: keyboard: 2 modes: tty keyboard with 47keys 14 function keys. Perkins style 7 keys braille keyboard with soft-switch. Display: 20 characters blue vacuum fluorescent. Dc adapter: 9v, 1200ma. Communications: baudot 45.5 Or international speed selectable. Battery: heavy duty ni-cad 5 pack 1700ma/h. Electronic voice: automatically reset with incoming tty tones signals, notifies hearing caller with a synthesized voice. Physical dimensions: w 10, l 10, h 2.5 Weight 3 lbs. With batteries. Direct connect/auto-answer: connect the pv20+ direct to the telephone line. Automatically answer the call and display the incoming call on the braille display. Call recorded in internal memory. Programmable outgoing messages.Krown vtouch braille display terminal specification: display: 20 cells. Second fill type keyboard for face to face communication. Large conversation memory. Up to 32,768 characters and 4 programmable buffers. Its great for greeting messages, memos, or to save time on a long distance call. Directly connects to the telephone line or acoustically couples to the telephone handset. Automatic answering machine records unlimited messages up to 30,000 characters total. Remote message retrieval with password protection. Wireless tactile pager for incoming call notification. 2 Tactile signalers for outgoing call progress. Stores up to 9 speed dial numbers. Heavy duty rechargeable, replaceable battery pack. Lasts for six hours of continuous use with a low battery indicator. Soft pack carrying case included. Face to face communication with second keyboard. Lightweight and easily portable.