-High efficiency 130lm/W -Wattage: 25W-40W -CCT :3000K ,4000K ,Tunable White -IP Rating : IP20 -Glare control :Microprismatic diffuser -Individual or linkable option -Direct or Indirect/direct lighting -DALI ,Casambi ,Brightness sensor available , this generates a friendly working environment and saves energy -Pendant connection design to save installation labor cost.