Features: Easy to set up - This telephone work without . Insert one connector of phone cord to connection of base marked LINE and other end to 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 LCD/Last Number Redial/99 Incoming Calls (16 digit) Memory/18 Outgoing (12 digit) memory. Support intercom between two parallel phones and transferring 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 5 types of normal ringing tone to 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. on hold. Support Calculator function. Specification: Color: Black Size: 20.8x17x7.5cm Weight: 672g/23.7oz Package Size: 21.5x20.8x7.5cm Package Weight: 776g/27.4oz Packing List: 1 x Handset 1 x Telephone Base 1 x Coil Cord 1 x Telephone Line Cable 1 x User Guide(English)