Northwestern Bell 77519 Designer Corded Telephone w/ Caller ID Additional Features: Last Number Redial Flash Mute Ringer Switch On/Off 80 Call Memory One Touch Call Back Selective Erase/Erase All New Call LED Indicator Real Time Clock Battery Low Indication Display: 3 Line Alphanumeric LCD Display Battery Type: AAA x 4 (Not Included) Placing / Mounting: Table-top; Wall-mountable