Emergency light auto lighting working
Emergency light auto lighting working when power outage by battery.
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Keywords:
autobackgroundbatterybrickbuildingcampuscutdownemergencyexitfailurefirehomehouseilluminationlightlightinglightsoutagepowerrestaurantsafetyschoolsightsignslicestrengthturnuniversityvoltworking
Username: Coffeekai
Editorial: No
Width: 4500 pixels
Height: 3000 pixels
Downloads: 23
Image ID: 84738273