Suitable for use in offices, shops, reception areas, restaurants, hotels, schools, hospitals TP(b) rated diffuser in accordance with BS2782.0:2011 Method 508A LED replacement for 2x36W T8 lay-in modular 50,000 hour average lamp life. Up to 5 times that of a standard fluorescent lamp Fits into standard sizes of ceiling grid - 15mm and 24mm High efficacy of 100lm/W Wide operating ambient temperature range of -20°C to +40°C Suspension kit available (RAMSUS-3W) Plug and play 3-hour emergency pack available (R3EMPK-PSU) Suitable for switching by PIR, Microwave or Photocell 1-10V and DALI dimmable driver options available