Suitable for use in offices, reception areas, hotels, restaurants, shops, schools, hospitals, care homes Unique construction comprising of dual wattage, 18W and 24W operating power in four colour temperatures, 3000K, 4000K, 5000K and 6500K High quality PC thermoplastic diffuser provides a TP(a) rating to comply with fire regulations LED replacement for 2x18W and 2x26W PL fluorescent downlights Very high efficacy of 92-109lm/W Wide ambient operating temperature range of -20°C to +40°C Suitable for use 24/7 Suitable for switching by PIR, Microwave or Photocell Compatible with ROBUS R3EMPK4-PSU Emergency Pack Dimmable with selected dimmers (dimmer compatibility list available on website) 18W specs for 3000K/4000K/5000K/6500K-: Total Power (W): 18.9/18.5/18.7/18.9; Lumens (lm): 1850/2010/2010/1940; Efficacy (lm/W): 98/109/108/102; Lux at 1m (lux): 690/750/750/720 24W specs for 3000K/4000K/5000K/6500K-: Total Power (W): 25.5/24.9/25.2/25.6; Lumens (lm): 2360/2630/2600/2470; Efficacy (lm/W): 92/105/103/97; Lux at 1m (lux): 870/980/970/920 Technical SpecificationDepth: 45Diameter: 227Cut Out: 190-205Beam Angle: 110Lamp Life: 30000Total Power (W): 18.5-18.9/24.9-25.6Operating Voltage: 220-240IP Rating: 44Lumens: 1850-2010/2360-2630CRI: 80CCT: 3000/4000/5000/6500Efficacy: 98-109/92-105Lux At1m: 690-750/870-980Ambient Temp: -20+40Dimmable: YesWarranty: 3Safety Class: 2Energy Class: EPart L: L2Compare To: 2x18W and 2x26W PL fluorescentColour: WhiteTechnical Specification:Total Power (W) 18.5-18.9/24.9-25.6 Lumens (lm) 1850-2010/2360-2630 Beam Angle 110 Comparable To 2x18W and 2x26W PL fluorescent CRI 80 CCT (K) 3000/4000/5000/6500 Efficacy (lm/cctW) 98-109/92-105 Lux at 1m 690-750/870-980Power Factor 0.9 Colour RAL 9003 Cut Out (mm) Length - Width - Height/ Depth (mm) 45 Diameter (mm) 227 Unit Weight / kg 0.97Dimensions: Length: 45mmWarranty: 3 Years