Discovery Kids Long Range Text Messenger Model# KSD5113G Ages: 6 years and up. World time clock. LCD display with backlight Send & receive texts between messengers. Maximum range of 300 feet in open areas Data bank organizer holds E-mail addresses, phone numbers, addresses & memos Calculator Security code to protect private data. Requires 3x "AA" size batteries (not included) Product dimensions (expanded): 4.5 L x 1.25 W x 5