Light source LED: 700-2500lm out. 3000/4000K, CRI 80. MacAdams 3. Lifetime LED: Up to 100.000h 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) Driver HF or DALI. Driver life time up to 100.000 h/10 % (max failure) at Ta 25°C. Body material & colour Body frame in anodized aluminum or white anodized aluminum with steel plate on back. Mounting Mounted direct to the wall thru 4 mounting key holes on top. Can also be surfaced mounted in the ceiling. Connection Cable entry on back. 3 or 5 pole push-in terminal block. Optics Opalic diffusor (OP) Emergency system Only on 450x450. Standard (S), Self test (ST) or DALI. 1h or 3h.