The revolving door is the first contact point between you and your customer. Now it is possible to include personalized messages to give him a warm welcome, timetables, information or publicity, making sure that the attention of every person who enters in your establishment is obtained. In addition to all the reasons to choose a GS-RD Revolving door: Aesthetics, energy saving, acoustic isolation, high capacity of step or its easy maintenance, now exists one more: the RD-Voice service. The voice synthesizer of Grupsa System includes four standard messages that are activated according to the sensor that detects the customer. For example, if the outer activation sensor detect a person approaching the door the RD-Voice will activate simultaneously that the door starts moving and will be listened: ?Welcome, advance please?. If the door is programmed in ?Exit Only? the message will say: