GE DECT 6.0 Digital Cordless Expansion Handset - Silver (28502AE1) For Use with GE 28512, 28522 Series Cordless Phones Calling Features: Caller ID, Flash Function, Phonebook, Mute Telecommunication Features: On-Hook Dialing, Caller ID Log, Caller ID, Speakerphone Display Features: Clock, Call Timer, Voicemail Indicator, Digital Display Wireless Frequency/Band: Dect 6.0 Number of Incoming Lines: 1 Number of Speed Dials: 4 Screen Size: 2.0 " Number of Handsets Included: 1 Maximum Number of Handsets: 4 Includes: Charging Cradle, Battery