... Material Aluminium+PC Color Temperature 2,800 -10,000K Size W,L,H Diam 290* ... using the imported high brightness semiconductor chips, which is high heat conducting efficiency, low lumens depreciation, ... of energy saving, can save 60%energy than sodium lamp 5. Environmental protection, no pollution ... copy of bill of lading is acceptable if single shipment value is more than USD10,0002.Delivery lead time ...