Features: Brand new and high quality DTMF/FSK two modes incoming modes display. 24 normal rings for selectable.Rings volume and Handfree volume adjustable by software setting without switches. The Caller feature will display the caller's number to help you avoid eccentric calls. Give you a more secure calls. When a sudden hangings up occurs, the Last Number Redial feature can immediately redial the last number to continue your business. Very practical No battery required. Save energy and make easy to use. Specifications: Material:ABS Color:Black/White Package Includes: 1x Landline Phone note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.