Ors, reflective surface treated with frosted, the reflected light is more soft and uniform. Power---industrial heat dissipation technology. Perfect design for air circulation, beautiful dissipation of heat, protect the driver and the light source. Led chip--imported high power and high lumen integrated chip, wide lighting angle, more brightness, low lumen depreciation and longer life span. Specification of mining lamp 60w Led chip qty: high power integrated led 60w Led chip:bridgelux Power:60w Power efficiency:> 90% Power factor:>0.95 Luminous efficiency:>120 lm/w Luminous flux:> 7200 lm Working voltage:ac85~265v Cct:2700k~3300k, 4000k~4500k, 6000~6500k Driver: built-in constant-current driver Cri:ra¡y80 Light distribution: led+reflective lamp cover with secondary light distribution Distribution curve:symmetric / circle light spot Ip grade:ip54 Working temperature:-35 oc ~ 50 oc Working humidity: ¡¨¹95%rh Storage temperature:-25 oc ~65 oc Lamp material: high pure die-casting aluminum power box+high heat conduction aluminum radiator+integrated acrylic lens Color of power box and radiator: black and silver optional Life span:25000~50000hours Application Workshop, warehouse, highway toll station, gas station, supermarket, exhibition hall, gymnasium and other occasion needing industrial lighting Normal carton or customized according to the customers