5.8 GHz FHSS GigaRange® Expandable Digital Cordless Phone with Dual-Handsets - 2 Handsets, 1 Base and 1 Charger Included - Expandable up to 3 handsets - 5.8 GHz Frequency-Hopping Spread Spectrum (FHSS) Technology - Call Waiting Caller ID1 - Ringer ID1,4 - Light-Up ID1 - Light-Up Indicator with Ringer/Voice Mail Alert1 - Voice Enhancer Technology - Easy Operation (Menu Driven) - Phone Company Voice Mail Compatible (FSK & Stutter Dial Tone Compatible)1 - 3-Line Backlit LCD on Handset - 50-Station Caller ID Memory & Dialer1 - 50-Station Phonebook - Replacement Battery HHR-P104