The optional Panasonic KX-TGA681 handset fits Panasonic KX-TG68xx series phones.
In addition to the basic functions: a phone book for 120 subscribers, hands-free mode, caller ID / Caller ID, intercom and conference calls, the model has several additional features.
Among them is the backup power mode: you can talk on the phone even during a power outage.
You can connect a keychain finder to the handset, which will help you find objects lost somewhere.
Another useful option Panasonic KX-TGA681, "radio-nanny", is designed for those who have small children.
By turning on one tube in the nursery and keeping the other for yourself, you can keep abreast of what the baby is doing.
After registering an additional handset Panasonic KX-TGA681 on the base unit, it will receive all the data of the main phone book.