To prevent collisions in passages with bad visibility in the factory
On 2014-12-12 11:34:50
It is inconvenient that you can not adjust the lighting time. I think that it will be better if people go out and get out when they get away from the sensor. Also, if it is not battery type but outlet type, it is good ...
Switchable between the mode that lights only when it is dark and the mode that lights up even if it is bright. However, even when switching the switch at the back of the battery box, it always lights up. The trouble which is likely to be in the product of this hand, it is good only as lighting up.