Cordless Handset for KX TG5100M or KX TG5110M5.8GHz Frequency Hopping Digital Spread Spectrum (FHSS) 1Call Waiting Caller ID 2 Handset SpeakerphonesLighted Handset Keypad 89 Channels NiCD Battery Conferencing Join In/Privacy 4 Line Backlit LCD on Handset50 Caller ID Memory and Dialer 2 Navigator Key50 Station Phone Directory/Dialer Stations Phone Directory Sharing 2 Way Intercom Handset Locator Hold/MuteUp to 6 Selectable Ringtones Headset Jack Lighted Handset Keypad Low Battery Indicator Flash button/Pause Redial (Last 5 Numbers Dialed) Handset Volume Control (Low/Med/Hi) Ringer Control (Off/Low/Hi) Color Platinum1 Range based on open field testing. Actual range varies and depends on physical and atmospheric conditions.2 Requires subscription to telephone company service.