Bell Phones by Northwestern Bell Phones 77519-3 1-line Operation corded phone Additional Features: Last Number Redial Flash One Touch Call Back Selective Erase/Erase All 80 Call Memory Display: 3-Line LCD Display Features: Battery Low Indication Real Time Clock New Call LED Indicator Battery Type: AAA Battery Battery Size: Requires 4 AAA Batteries (Batteries Not Included) Placing / Mounting: Desk/Wall Use