Designed and engineered in Japan, Uniden's DECT 1715 uses the Wireless Friendly DECT technology and has an integrated digital answering machine with message counter so you don't miss those important phone calls. Now the additional handset is available for DECT 17xx Series, allowing connection of up to 6 handsets from the one phone line to suit larger households - making life easier. They've introduced a handy feature - Blackout Power Failure^ Protection Feature. When a Power Failure occurs, the charged handset temporarily supplies power to the base unit. You can then make and receives calls using a handset. These phones are ideally suited to high density living environments and have excellent array of features suitable for any home. They have great talking range, unique styling, 3 line backlit display LCD display and are Wireless (WiFi) Network friendly. The digital duplex speakerphone on the handset makes handsfree communication a breeze. This phone has a duplex speakerphone allowing you to have handsfree conversations and ensure you can keep working wile on the phone. Uniden quality and performance makes an outstanding and reliable digital choice. This handset derived from cutting-edge American DECT 6.0 Technology, ensuring the purest form of Cordless Phone System quality. Delivery a great cordless system for an even better price!