Light source LED: 2200-4300lm out. 3000/4000K, CRI 80. MacAdams 3. Lifetime LED: Up to 70.000h Ta25. Minimum 50 000h Max Ta. For precise technical information please see the data sheet on item level. (Use <Find your version> on right side) Ballast HF or DALI Body material & colour Body in white painted steel. Plastic frame. Mounting Mounted direct to the ceiling thru 4 mounting key holes on top. Connection Cable entry in top or knockouts in each end. 3 or 5 pole push-in terminal block. Optics Micro prismatic (MP) or Opalic (OP). Sensors Daylight and presence sensor (D2-SEN) Emergency system Standard (S), Self test (ST) or DALI. 1h or 3h.