... Sturdy Construction: UV Stabilized PMMA Lens And aluminium alloy shellConforming to CE, ROHSSpecifications:Dimensions: ø 180*19mmPower: 10WCRI: cool whte ... warm white: 460lmColor temperatures:Warm white: 2,700 to 3,300K Cool white: 5,500 to7,000KInput voltages ... shellLifespan: >25,000 hoursOperating temperatures: -20 to 60°CStorage temperatures: -30 to 70°CWarranty: 24 monthsPackaging:Inner box: 250 ...