BT 2700 Nuisance Call Blocker Cordless Home Phone with Digital Answer Machine - Twin Handset Pack.You must subscribe to a Caller Display service from your network provider for the block nuisance calls feature to work. Charges may apply.Box Contains1 x Base Unit including charger1 x Additional Charger2 x HandsetsRechargeable batteries2 x Mains power adaptors1 x Telephone line cordUser Guide