KX-TGA950B Features: New DECT 6.0 Plus Technology- Interference Free Communication- Increased Clarity / Enhanced Security- Wider Range / Network Friendly 1.9GHz Extra Handset / Charger- Dedicated for Cordless Phones by the FCC- 30% Battery Life Increase Over 5.8GHz 2-Line Operation Caller ID Eco-Friendly Phone Remote Access-Message Playback-Individual Erase-Control the Greeting Message Automatic Noise Reduction 3-Line LCD Display Handset Speakerphone Backlit Keypad Built In Directory Holds up to 600 Names and Numbers Call Block 3-Way Conferencing Volume Control Call Transfer Auto Channel Search Before & During Call Hold Up to 12 Hours Talk Time Up To 5 Days Standby Headset Jack Call Waiting Works With The Following Panasonic Phones: KX-TG9541B KX-TG9542B KX-TG9581B KX-TG9582B