BT Essential DECT Phone - TrioKey Features: Essential DECT Phone Trio 1. 8 Inch Backlit Screen Block up to 100 numbers Dedicated call block button Simple and easy to set up and use DECT Range: 300M outdoors 50m Indoors Caller ID Hands free speakerphone Save up to 100 contacts Redial the last 10 calls made Call waiting GAP Compatible Max number of handsets: 4 Max number of base stations: 1 Talk time: 12 Hours Standby time: 120 Hours Answering Machine: Recording Time: Up to 30