Isibani sesikhundla sihambisana ne-GB / T 31887.1-2019 entsha;Umthombo wokukhanya ohlinzekwa yi-LED enamandla, futhi ifakwe umhlahlandlela wokukhanya onembile; Idizayini evalwe ngokuphelele engenamanzi, futhi iphephe futhi inokwethenjelwa;Ukusebenza okunamandla nge-braking ehlanganisiwe nokukhanya okujikayo.