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. Dual lines provide greater versatility. You can have 2 telephone numbers for your busy office, or 1 line for business and 1 for private calls. The all-digital answering system reliably records your messages while the 2 integrated mailboxes keep your messages better organized. 5.8GHz technology provides a more powerful signal than 2.4GHz, allowing you to move farther from the base without sacrificing sound quality. And since it operates on a less-trafficked area of the bandwidth, you'll experience less interference from wireless networks and appliances.