The phone's caller ID. Brand: Panasonic. It comes designed with a 1.25-inch LCD screen, caller ID, 50-number phone book, and included alarm. Enjoy this incredible product from the Panasonic brand and always stay connected wherever you are. Brand Panasonic Model kx-tgb210 Dimensions 18 x 12.8 x 9.8 cm Weight 481 grams Color blue Type Caller ID, wireless 1.25 inch LCD screen Telephone directory 50 numbers Charging time 7 hours Alarm included Yes