1987 Canon Phonebook Dial Phone Dialing Calculator DF-100 It starts up when you insert batteries. Part of the screen is unreadable. When you change modes, it transitions to different modes, but there are still unreadable parts. This item is being sold as junk. ■Product Description Canon Electronic Multifunction Dialer Simply by calling up the number of the person you want to call and holding the product to the telephone receiver, it will dial the number for you. Equipped with 4 major functions: Canon Multifunction Dialer ・Auto-dial function ・Data memo function ・Coupler function ・Calculator function Please consider purchasing. #Rare #ShowaRetro #Canon