** Super range up to 2,300 feet ** Experience the best in long-range coverage and clarity, provided by unique antenna design and noise filtering technology advancements. With over 2,000 feet or range, you can make a call anywhere in your home, backyard or even your neighbor's house. ** Smart call blocker ** Say goodbye to unwanted calls. Automatic landline calls are automatically blocked at any time – even the first time. You can also permanently blacklist any number you want with one touch of the exact key on the phone. A call block directory can store up to 1000 name and number entries. ** Bluetooth cellular connection ** Make and receive calls from your cellular plan while enjoying the convenience of a home phone. Pair up to two cell phones and connect two cell phones or one cell phone and one Bluetooth headset for use with landline calls. At the touch of a button, enjoy the high-tech features your smartphone has to offer. Even if your smartphone is in a different room, you can still access Siri or Google Now from your wireless. Make a call, write or read a text message and perform all other actions offered by these services. ** Digital answering system with voice guide ** This wireless system includes a digital answering device that contains an LED message counter, recording up to 22 minutes of incoming messages, issued announcements and memos. The built-in audio guide can help you set up the system easily. ** Large 2-inch screen, large text, illuminated keyboard** High contrast text on the very large 2-inch screen makes it easy to read incoming caller ID or call log logs. In addition, the large line and very large and bright phone keyboard allow easy connection in low lighting conditions. This feature is especially useful for those with low vision. This wireless system features a built-in dual speaker on the phone that allows both parties to talk – and listen – at the same time for the most realistic conversations in life. Also designed with a bright optical resonance above the phone for noisier environments, or for those with hearing loss. ** Scalable to 5 headphones ** You can easily add accessory headphones (use IS8102 model) up to 5 sets, with only one phone jack.