BT Elements 1K Weatherproof Cordless Telephone. The BT Elements 1K digital cordless phone is affordable yet gives you all the freedom of some of the pricier alternatives out there. This great environment resistant phone with a range of up to one kilometre allows you to take your calls outside. Whether its rain or shine, its plastic enclosure will keep your wireless phone protected, as it is splash proof from any direction and fully resistant to dust. This phone is perfect for any household, particularly if you have children.. GAP Compatible and Easy to Expand. The BT Elements 1K is fully GAP compatible, meaning any matching handsets can be registered to its base system, allowing you to receive incoming calls and make outgoing calls from up to five phones! You can easily send text messages from your cordless phone, and save up to 50 numbers to the call list, as well as 30 numbers to the redial list. The backlit screen makes this an easy to use choice for anyone, and the simple call tra