More than 70% energy saving 4 x 6 LED module design, convenient for maintenance Uses Original American Cree or Philips Lumileds Universal input voltage: 85 to 264V AC, 277V Light control and time-phase dimming, saving further energy High-quality power supply, reliable and stable With automatic reduce current against overheating temperature With unique optical design and rectangular beam, suitable for roadway illumination. Specifications: Input voltage: 85 to 265V AC/36V DC Frequency: 47 to 63Hz Power factor: >0.95 THD: less than 15% LED source: Cree 72 x 2W LED power: 144W Luminous efficiency: >80lm/W Initial luminous flux: >11,520lm Constant luminous flux: >10,368lm Luminaire efficiency: >80% System resistance: 0.16/W Operating temperature: -30 to 50¡ãC Working humidity: 10 to 90% RH Warm white: 3,000 to 5,000K Neutral or cold white: 5,000 to 7,000K CRI: >75Ra Light distribution curve: rectangular optical spot Effective illuminating area: (H) 8m, 30 x 10m, (H) 12m, 42 x 16m Illuminance standard: (CJJ45-2006) Chinese urban roadway lighting standard Configuration: integral die-cast aluminum alloy housing with heat sink Diffuser: anti-UV tempered glass Manufacturing process: patent heat extraction board technology IP rate: IP65 Useful lifespan: >50,000 hours Wind resistance index: 12 Optional interface: digital dimmer interface (0 to 10V analog or DM x 512) Installation way: horizontal or longitudinal arm installation Electrical class: class I Dimensions: 766 x 349 x 79mm Applications: Ideal for street lighting on urban streets, gymnasiums, sidewalks, residential areas, industrial parks, squares, parks, schools and gardens.