Our product is sent as installed. product size can be adjusted. it is made of metal plastering case. e27 duynbsp- 2-year warranty iso 9001:2000 ce certified. tse certified fireproof bakelite socket. it is painted with electrostatic powder paint. it creates a modern look in your homes and offices. you can contact us for your bulk purchases, we can produce in the quantity you want. product dimension: diameter: 22 cmnbspheight: 55 cm +- adjustablenbspproduct technical information:color: black material: metal bulb is not included in our product. maintenance and cleaning suggestion: it can be wiped with a damp micro fiber cloth. more than 100 stocks are offered to be sold at the campaign price. Create a party-ready atmosphere with this colorful LED lighting. Easy to install and perfect for events or home decoration.