5 integration support & NBSP; Working voltage: 220 v/fifty hz color temperature: 2700 k - 6500 k (if you have special needs can be according to the customer request) color rendering index: RD: Ra was 84 RR: Ra environmental temperature was 80 ℃ - 5: ℃ power: 8 w / 14 w / 21 w/and w quality: the two years