The lightest and thinnest LED high bay light, up to 170 lm/w light efficiency and it is capable of being applied in almost all applications due to its nature and abilities empowered by our designers and technicians.Specification: 60W/80W/100W/120W/150W/180W available. - Light Efficacy up to 160lm/W. - Luminaire lumens up to 27,000lm - Light weight lower to 1.2kg - CCT: 5000K (2000K, 3000K, 4000K, 6000K optional) - CRI: Ra75 (Ra85 optional) - Beam angle: 60°, 70°, 90° and 120°optional - IP65 protection rating - 5 years warranty - LED lifespan > 100,000 hours( TM-21 L70 ) - Operating temp -40~+50℃ - Electrical: 100-277Vac/277-480Vac, 50/60Hz, PF≥0.95 - Applicable for workshops, factories,warehouses, toll stations, supermarkets,exhibition halls, stadiums, etc.Optional: - Alternative mounting brackets - Various accessories for different beam angle - Black & white lamp color optional - Customizable ring color - Motion sensor - Daylight sensor control - 1-10V/PWM dimming control - DALI control