DECT 6.0 Cordless Phone System with Digital Answering System allows callers to leave detailed messages for you. Call Waiting Caller ID – Allows you to see who is calling before picking up the phone. Backlit Keypad and Display – easy to read and see buttons even in dark. Expandable up to 4 handsets. 50 Name/Number Directory – stores up to 50 friends and family and business numbers for easier dialing. Includes 10 different ringtones. Featuring Conference Call, Intercom, Hearing Aid Compatible. Special Features: Handset locate, Handset Naming, Wi-Fi Friendly, Tone/Pulse Dialing, Multilingual Message Display, Keytone On/Off and Keypad Lock. Answering Machine Features: Call Screening, Voice Date and Time Stamp, Remote Access, Caller ID Review and Delete, Caller ID Format and Dial Back Function with Automatic Date and Time Set.