Features: Easy to set up - This telephone work without power. Insert one connector of the phone cord to the connection of the base marked LINE and the other end to the telephone line of wall connection. Speed Dial Home Phone - 6 one touch memory button, super convenient for elder people and businessman, easy and fast to dial. Desktop Landline - It can detect DTMF or FSK caller ID automatically. And 16 Digit LCDLast Number Redial99 Incoming Calls (16 digit) Memory18 Outgoing (12 digit) memory. Support intercom between two parallel phones and transferring the call between parallel phones. Big LCD Screen - Powered by 3*AA Batteries (not included), can display and setting Year & Month & Date & Time. And 16 screen contrast levels can be adjusted as well. Multi-function - Comes with 4 kinds of ring music, 5 types of normal ringing tone to select, and 5 alarms setting, support setting 4 ringer volume levels and 2 speakerphone volume levels. More basic functions including redial, Flash, Mute, pause, speaker and anti-stealing dailing, etc. Interesting & Better than Other Landline - Speakerphones button makes hands-free conversations easily. Music on hold. Support Calculator function. Specification: Color: Black Size: 20.8x17x7.5cm Weight: 672g23.7oz Package Size: 21.5x20.8x7.5cm Package Weight: 776g27.4oz Packing List: 1 x Handset 1 x Telephone Base 1 x Coil Cord 1 x Telephone Line Cable 1 x User Guide(English)