Magnifying Aids - Your Low Vision Superstore! Talking Clock Keychain Black - English Low Price Guarantee! Small enough (2.25 inches x 1.25 x .50) to conveniently fit into a pocket or purse, yet large enough to keep you from misplacing your keys, this convenient clock on a keychain has a surprisingly loud and clear voice. A built-in alarm (rooster) can be set to remind you of appointments. Replaceable batteries included that last for about one year. Features: * LCD Audio Time Report * Alarm * Hourly Time Announcement (Turn On or Off) * Color: Black * Keychain * Language: English * Size: 2.25" x 1.25" x .50" * Battery: Two - Lithium AG-13 (included) Model: 756462 Shipping Weight: 1.1 lbs.