DESC: The GE 25865GE3 includes the base unit and its accompanying cordless handset and lets you add up to 7 accessory cordless handsets (model 25866GE3, sold separately) to suit your growing business or family. Only the base unit requires a phone jack — additional handsets only need a power outlet for charging.You can have 2 telephone numbers for your busy office, or 1 line for business and 1 for private calls.