詳細規格及用途描述 Specification 1) Volts: 110-127V / 220-240V 2) Frequency: 50 / 60Hz 3) C.C.T. (‹K) : 2700-6900K 4) C.R.I. (Ra) : >80 5) AVG. Life: 8000 hours 6) Suitable for electronic or magnetic ballast