Alton Controls Sdn Bhd provides
Intercom or Doorphone System products range from simple one-to-one,
one-to-two, one-to-many answering units to sophisticate video entry security
systems, luxury condominium or apartment and lift security communication
systems....
Intercom systems allow you to
identify person at the entrance before unlock button the door. It increases
the overall security of your home or business, keep annoying solicitors
away, children won't have to open the door to strangers while you are away,
decrease vandalism, deter potential crime, you don't have to get up to
answer the door, open the door remotely....
