Features 1、Memory Function: FSK/DTMF dual system automatically detects, displays, stores and views incoming and outgoing numbers. VIP memory storage and viewing. 2、Clear Display: Our durable and portable desktop wired phone is simple to use, uses wired operation, and features a large 16 bit LCD display. Calendars and times can be clearly displayed. 3、Adjustable Volume: Our rugged and portable desktop wired phones feature blinking, optional ringtones, ring and handset volume controls, and mute. 4、Dialing Options: Audio and PULSE optional Hold down the "*" key for 3 seconds and you can select the dialing type through the optional TONE PULSE mode. 5、Multi Function Setting: Our rugged portable desktop wired phone with pre dial function, redial function, calculator function, to meet the multi function business phone. Specification Item Type: Corded Telephone Model: KX-T8001CID Material: ABS Colour: Black Size: Approx. 210x160x80mm / 8.3x6.3x3.1in (Manual Measurement Allows Errors) Package List 1 x Telephone 1 x Telephone Receiver 1 x Telephone Line 1 x Handset Cord