Product featuresproduct diameter: 20 cmproduct length: 50 cm bulb usage and lampholder definition: e-27 max 60 watts. you can use energy saving bulbs. bulbs are not included in the price. product information the product body is made of metal material. it is painted with electrostatic oven paint. the product reaches you ready for use. our delivery time is 1-3 working days. your orders are usually shipped on the same day. the products are our own production and are 100% domestic production. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.