Enjoy clearer, more natural sounding voices with DECT 6.0 technology. DECT 6.0 won't conflict with other electronics in your home, such as microwave ovens, baby monitors or Wi-Fi networks, so you can enjoy uninterrupted conversations without annoying interference. The built-in digital answering system lets you record up to 15 minutes of incoming messages, and check them any time even when you're out. Features: DECT 6.0 technology (Digital Enhanced Cordless Telecommunications) ECO mode Talking caller ID 1.8-in white backlit LCD display Digital answering system (up to 15 minutes recording time) Handset speakerphone Caller ID/call waiting stores 50 calls* Ringer ID: Link a tone/melody to a number or category in your phone book 100 name and number phonebook directory Call block feature: Block calls from unwanted callers; they will get a busy signal if they call you Night mode: Program each handset to ring or not to suit your needs Expandable up to 6 handsets Intercom/conference call between handsets