Telephone features: Fsk/dtmf compatible Delay calculating charge Set limitation&direct line&extension Flash&memo&mute&handsfree Adjust ringer&speaker volume Date&time Anti-emi&thunder proof&protect parallel connection P/t switch&redial Store&review/delete/redial incoming number&outgoing number 3-steps lock Check the balance of prepaid card Volume control Alert function Handsfree Speaker volume adjustable Tone/pulse switchable Call back Caller id display: Name, number of caller and time, date of call red Colors: White, black, metalic blue, dark blue, silver white etc. Units per carton:20 Weight:16.60kg/ctn Measurement: L47.60cm*w39.00cm*h48.00 cm Main export markets: Europe, america, asia, middle east, australia, south africa