DuoFone 600 Voice Dialing Phone (430-0650) Specifications Faxback Doc. # 17917 LCD display window:................................25 characters on 2 lines 8-bit microcontroller 8K static RAM with battery backup 32K ROM Hearing-aid compatible receiver AC adapter:...................................117VAC, +- 10% input, 3 watts maximum; provides 9VDC to the telephone Telephone and memory battery backed-up for approximately 72 hours if AC power is lost 4 standard AAA alkaline batteries (not included) Ringer equivalency:.................................................. +0.8B Clock accuracy:.....................................+- 15 seconds per month Warranty:...........................................1-year limited warranty Telephone line cords with standard RJ-11 connector Selectable tone/pulse dialing (/all-11/08/95)