2-Line DECT 6.0 Cordless Telephone System is expandable up to 10 cordless handsets and offers Call Waiting/Caller ID, and intercom with handset paging features. Base and included cordless handset feature speakerphones. Wi-Fi-friendly telephone system has 10 programmable one-touch speed dials, 100 name/number Caller ID history, visual line status indicators, two-line conferencing, three-party call conferencing, headset jack, data port, digital volume control and Do Not Disturb/privacy setting. Trilingual display can be viewed in English, Spanish and French. Hearing aid compatible. Desk or wall mountable. Weighs 2.24 lb. Uses Ni-MH batteries.