Caller ID phone

Features:
1. FSK/DTMF dual system selectable.
2. 12 digits LCD screen. 50 groups incoming call records and 15 groups outgoing call records check.
3. Real date and time display.
4. 16 ringtones selectable & ringer volume adjustment: ringer 4 steps and hands-free.
5. Flash time 90/95/100/300/600/900ms/1000ms selectable.
6. 3 groups alarming clock with different ringtone.
7. Functions keys: hands-free, redial, flash, Set, R, Volume, Hold, Out, Delete, Up and Down etc..
8. Superstrong lightning protection and anti-electromagnetic interference.
9. Work without batteries.