hat
4) lanp Konvansyonèl UV mèki bezwen plizyè minit pou pre-chofaj, men ki ap dirije pa bezwen. Si pouvwa a elektrik se OFF Yo, epi sou toudenkou, li se poze danje pou pou UV lanp mèki epi redwi tout lavi li yo. Pandan ke dirije pa gen okenn harmness. Se konsa, ki ap dirije lanp se chwa a pi byen.
eng
4) Conventional UV mercury lamp needs several minutes for pre-heating, but LED doesn't need. If the electric power is OFF and ON suddenly, it is harmful to UV mercury lamp and reduce its lifetime. While LED lamp has no harmness. So LED lamp is the best choice.