big LCD caller ID telephone

big LCD caller ID telephone Main Features: FSK/DTMF compatible 12- digit numbers Display 5 Groups of 16-digits outgoing calls Hold Function 3 Groups of 16-digits memory buttons 5 Local code settings, automatic filtering of incoming call 5 levels of LCD contrast adjustable 32-digits prefix numbers settings 8 kinds of ringing tone,1 VIP rings Flash Time 600ms 10-digits Calculator function 3 groups of alarm clock Intelligent back-light control Hands-free and ringing tone volume adjustable