Features: 1) Multi-channel access with auto-scan 2) Multi-handset system (up to 15) 3) Multi-base system (up to 4) 4) Walkie-talkie among handsets (up to 15 handsets) 5) Two-way paging and hands-free intercom 6) 10-group memory speed dialing for each handset (up to 20 digits) 7) Last number redial 8) Tone/Pulse dialing mode selectable 9) Change channel during conversation 10) 65,536 sets security code (two-way) 11) Flash time programmable 12) Ring and Voice volume adjustable 13) Hold music 14) Touch any key answer 15) Handset with power saving circuit 16) Low battery alert and indicator 17) Out of range alert 18) Battery power status display 19) Fast charge 20) Built-in voice security and mutation circuit (Scrambler) 21) Auto answer and auto hang up 22) Channel scan display 23) Transferring a call among handsets 24) Hands free kits for handset (optional) 25) Separate charger (optional) 26) Vibration alert (optional)