Caller ID Corded Telephone with Hard Shell

Features:
1. FSK/DTMF dual system selectable.
2. 12 digits LCD screen. 50 groups incoming call recordes and 15 groups outgoing call records check.
3. Real date and time display.
4. Different ringtones selectable & ringer volume adjustment: ringer 4 steps and hands-free.
5. Flash time 9100/300/600/900ms/1000ms selectable.
6. 5 groups alarming clock with different ringtone.
7. Functions keys: hands-free,redial, hold, pause, mute, set, fast keys etc..
8. Superstrong lightning protection and anti-electromagnetic interference.