Dimensions: 37x100 mm product features: 5w 40w white light 6500k color temperature 455 lumen e14 lampholder 15.000 hours working time maximum 50 pieces of this product can be ordered. swordslife reserves the right to cancel orders over 50 pieces. more than 5 stocks were offered to be sold at the campaign price. the seller determines the selling price of the product you have examined. this product is not included in the discount campaign. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.