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This is sensor button set to road signal which switch on sound which lead blind person. (Tokyo)
Aya K
Aya K May 07, 2013
This is sensor button set to road signal which switch on sound which lead blind person. (Tokyo)

I've seen these sensors...

Often 4
Occasionally 1
Rarely 2
Never 2
What is it? 1
4 Comments     10 Tags
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