Isethi eyodwa yomthombo wokukhanya we-LED yamandla aphezulu kanye nedizayini yebha yomhlahlandlela wokukhanya ngokuklama okunembayo, umhlahlandlela wokukhanya wokudlulisa okufanayo ogunyazwe isibonisi esihlanganisiwe esingu-Z, sithobelana ne-GB/T 31887.1-2019 evumelana ne-ISO 6742-2015, 220 ° ukubuka okubanzi kakhulu i-angle.