voltage DC 24v Frequancy Range 50¢¦60 HZ Power factor ¡Ã0.95 LED consumption 20W LED Luminous efficiency ﹥80LM/W LED Initial Lux 2400LM Average Illumination 6M>10Lux 8M>6Lux Effective illuminated area 6M 6.8x21M 8M 8x24M Uniformity >0.45 Working life ¡Ã50,000hours Working environment -40¡É¢¦65¡É Light body & lampshape material Aluminum stretching Color temperature 5000-5500K Color rendering idex Ra >75 Light Distribution Asymmetry IP Rating IP55