... of high power LED light source is less than 3% by 3,000 hrs aging test under temperature 50 degrees ... voltage of all over the world.7, No UV or infra-red radiation, no mercury or lead, Eco-friendly, No danger ... LmPackingQty / ctnCross WeightCarton Size48pcs17.0 Kg440x320x500mmApplicationReplacement bulbs for traditional halogen lamp, Such as store, Supermarket, Especially for museums, Art galleries, ...