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Door Teller / Door Teller

Door Teller

Have you ever pushed the door in public restroom when someone’s in it? When you look at the little green or red sign on the door, esp in a dark room, it’s never easy to tell whether it’s in use, a squatty potty or commode inside. If you are sight impaired, it will be much harder!Door Teller will tell you clearly. The big square hole or the signs in white/yellow, the most obvious colors on black background, are clear for people to get info, even for sight impaired.
If it’s available, you’ll see the big square hole. If it’s in use, the little yellow person will be there after people turn&lock the door. For the squatty potty or commode,.


Nanchang University

Nanchang University
NanChang, China

Shu Yu.an,
Nanchang university

Zhao Heqi

Lin Jie

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