Technical specification product lifetime(rated) 15,000h color temperature 3200 k rated power 4 w product dimensions 35 x 110 mm energy consumption kwh /1000 h 4 kwh mercury quantity non-smoking light bulb (rated) 400lm rated power 4w 60% heated time < 0.10sec operating temperature -20°c ~ +40°c energy efficiency class a++ dimmable function dimmable more than 50 orders can be ordered of this product. orders over 50 pieces swordslife reserves the right of withdrawal. more than 100 shares for sale from the campaign price. it determines the selling price of the product you have checked. 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.