*Multi-headset system( up to 10) trnasfer call.
*Duplex talking between handset and base unit.
*Walkie-talkie between handsets.
*Three-way conversation
*Frequency program by the keypad
* the volume adjustable
*Base with select call function
*Base with speakerphone function
*MCU CONTROL 100,000 set security codes
*FSK/DTMF auto caller ID
*Handset with 6 rings for chooses the base with 4
*Super power-saving, long standby time
*Lock long- distance call and keypad