Feature 1 Powerful Memory Function: Compatible with FSK/DTMF dual system, display, store and view incoming and outgoing numbers. Record 62 (maximum) incoming and 16 (maximum) outgoing numbers (8 digits). 2 Clear Display: Incoming call screen, 16 bit high definition display screen, the caller number, date, and time are displayed on the same screen, which is simple and convenient at a glance. 3 Energy Saving: No battery, environmental protection and energy saving. You can dial to answer the call. Sub line interface, single interface extension line, can be directly used as the host. 4 Ergonomic Design: Button design, clear hand feeling, contact and wear resistant, easy to dial and use. Fixed hole anti skid pad, two non slip fixing holes, reduce desktop friction. 5 Multi function Settings: With pre dial, redial, correction, delete functions, calculator function, alarm clock setting, 24 kinds of ring tones can be selected, in line with multi functional commercial telephone.Item Type: Desktop Corded TelephoneMaterial: ABSModel: KX-T2028CIDSize: Approx. 210x170x95mm / 8.3x6.7x3.7in (Manual Measurement Allows Errors)Main Functions: Caller ID, Free Reminder, 4 Quick Dial Functions Package List1 x Telephone 1 x Telephone Receiver1 x Telephone Line1 x Handset CordNoteThe color of the phone line is random. It can be used without installing a battery, and can be used for dialing and answering.