Isibane sendawo sihambelana nomgangatho omtsha we-GB / T 31887.1-2019;Umthombo wokukhanya obonelelwe yi-LED enamandla, kwaye ixhotyiswe ngesikhokelo sokukhanya esichanekileyo; uyilo olutywinwe ngokupheleleyo olungenamanzi, kwaye lukhuselekile kwaye luthembekile;Umsebenzi onamandla kunye ne-braking edibeneyo kunye nokukhanyisa ukukhanya.