Feature 1 Performance: FSK/DTMF compatible; 24 different ringtones; 16 digit LCD display; LCD backlight; 62 (maximum) incoming and 16 (maximum) outgoing numbers (8 digits) are recorded. 2 Multi Function: The fixed landline has redial function; alarm clock. calculator function; pre dial, correction, delete function and other functions. 3 Convenient to Use: No battery, environmental protection and energy saving. Sub line interface, single interface extension line, can be directly used as the host. 4 Fixed Hole Anti Skid Pad: Two anti skid fixing holes, used in a shaking place to reduce movement or falling damage, anti skid pad to reduce desktop friction. 5 Button Design: Clear hand feeling, contact and wear resistant, easy to dial and use. Hands free phone, hands free and ringtone volume adjustable. 6 Incoming Call Screen: 16 digit high definition display screen, the caller number, date, and time are displayed on the same screen, which is simple and convenient at a glance.Item Type: Fixed LandlineModel: KX-T2027CIDMaterial: ABSSize: Approx. 210 x 160 x 95mm/8.3 x 6.3 x 3.7inFunctions: Caller ID, Semi Hands Hree, Battery Free, Extension Interface, 24 Ringtones Package List1 x Telephone 1 x Telephone Receiver1 x Telephone Line1 x Handset CordNote1. Please allow 1‑2cm/0.4‑0.8in error for manual measurement2. The color of the phone line is random. It can be used without installing a battery, and can be used for dialing and answering.