TE-500 Standard practical Caller ID dialer
Refined shape design, for high class call centers, telemarketing companies, home and office use.
> Date, clock, week, time display
> 600ms flash-off time
> Redial function
> Mute function (insert batteries, press the MUTE button in order to achieve mute function)
> Can choose T or P type ringing tone
> Ringing tone volume high, low and off  adjustable
> Anti-theft function
> Auto-IP display function
> Volume control button, to adjust the listening volume
> Super anti-lightning functions
> Need to insert batteries in order to record Caller ID numbers
> 1 year warranty