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What is automatic sliding door?

What is automatic sliding door?

Automatic sliding doors open or close automatically when a person passes through it. A sensor device allows the door to open by detecting the arrival of persons at particular distance. They are used in large business retail places. The door opens automatically, waits for some time and closes when it finds there is no evidence of any members approaching the door.

13-Jun-2016

  

In Security & Protection

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