Young Blonde Girl In The Room With A Chair Posing At The Door

A tambour door is an up-and-over door made of narrow horizontal slats and "rolls" up and down by sliding along vertical tracks and is typically found in entertainment centres and cabinets.
Automatically opening doors are powered open and closed either by electricity, spring, or both. There are several methods by which an automatically opening door is activated:
1. A sensor detects traffic is approaching. Sensors for automatic doors are generally:
• A pressure sensor - e.g., a floor mat which reacts to the pressure of someone standing on it.