2 lines Hotel phone 1..+3,+5,+10 speed dial buttons; 2. ... .Message waiting light, 4.2-line 2 lines Hotel phone ;Model:SWHP6602Features:1.The specialized design surface version, may print material and ... .One key connect (+0 +3 +5 +10)3.The mature lines design of message lamp, is suitable for each kind of model ... lost forever by lost power13.Anti-Lightening14.waterproof,dampproof 2 lines Hotel phone