Caller ID Telephone with Backlight and H.F.

Features:
1. FSK/DTMF dual system selectable.
2. 12 digits LCD screen with backlight. 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 100/300/600/900ms/1000ms selectable.
6. 5 groups alarming clock with different ringtone.
7. Functions keys: hands-free,redial, flash, hold, back, volume, set, up, down, delete, out etc..
8. Superstrong lightning protection and anti-electromagnetic interference.