Do garage door sensors have different colored lights on them?
Md Ariful Islam
বিএসসি(সিএসই)
,
এমবিএ(মার্কেটিং)
5 views
1 Answers
Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
Yes, they do. Green means that there is nothing blocking the path. Amber or red means that there is something blocking the path and someone tried to close the door.
5 views
Answered