LED daylight lamp Input Voltage(AC): 160-250V Frequency: 50-60 HZ Rating Power: 22W LED Power: 21W Efficiency: 95% Room Temperature: 4400K-6500K; 3000K-3400K Luminous Flux: >1200 LM Environment Temperature: -20~50 Working Temperature: 30~45 CE/RoHS Certification: Yes Life-span: 50K~80K Hours Size:30x585mm,30x890mm,30x1195mm widely used in Residential/Institution buildings, Hospital, Hotel,Factory,School, Parking garage, Supermarket,Meeting room etc. Home and office daylight illumination, public site illumination replacing common fluorescent tube and neon light neon light with energy-saving and healthy features, stable light and low electricity consumption advantages as a new ideal illuminator ever!!!