With a handset and an easily recognizable color LCD. The full-duplex speaker enables two-way hands-free calling. The high-capacity battery allows for a maximum talk time of 15 hours, so you can talk longer. The handset can be left for 10 days without a call. DECT Security call protection: Communication between the cordless handset and the base station is encrypted. The silver frame and high-gloss base station provide a premium appearance. Blocking unwanted calls: Avoid unwanted calls, such as from telemarketers. You can block any number as well as sequences of 2 to 8 digits that match the specified numbers or calls with suppressed caller ID.