:.. Mute New DECT 6.0 Technology. - Interference Free Communication. - Increased Clarity / Enhanced Security. - Wider Range / Network Friendly 1.9GHz Extra Handset / Charger. - Dedicated for Cordless Phones by the FCC . - 30% Battery Life Increase Over 5.8GHz Bilingual Menu Support (English / Spanish) Last 20 Number Redial 50 Station Phone Directory / Dialer 50 Station Name / Number Caller ID Memory Lighted Keypad Large Backlit LCD Display Handset Speakerphone Caller ID Announce / Call Waiting 2-Line Operation Intercom