Suitable for use in offices, shops, reception areas, restaurants, hotels, schools, hospitals LED replacement for 4x18W T8 lay-in modular A high quality PP thermoplastic diffuser ensures that light transmission is maximised into the lit space and provides a TP(a) rating to comply with fire regulations Fits into standard sizes of ceiling grid – 15mm and 24mm High efficacy of 99lm/W Wide operating ambient temperature range of -20°C to +40°C 50,000 hour average lamp life. Up to 5 times that of a standard fluorescent lamp Driver complete with male and female loop in/out connectors included for fast fix installation Suspension kit available Suitable for switching by PIR, Microwave or Photocell Suitable for use with HED2040-D DALI, 1-10V, Push Dim driver R3EMPK4-PSU plug and play 3-hour emergency pack available