Normal maintenance and maintenance: Wipe off the dust with a damp cloth and apply water wax or olive oil to the front of the lampshade. product description: Product Name: Tiffany style table lamp Size: 30cm*45cm Weight:3.5kg Material: stained glass, Iron art Process: high temperature baking, hand soldering Color: vintage color Plug: CE certified plug Lamp holder: bakelite Wire: VDE double core black power cord Lamp cap: metal teeth, internal wiring Light source: E27(excluding light bulb) ★E27 is an international screw, the bulb is very brittle, we recommend you buy it locally [Applicable light source]: incandescent light bulb, energy saving light bulb, LED light Voltage: 110V-240V [Power]: 40W Switch: button /zipper Recommended places: bedroom, study, living room, children’s room, aisle, corridor, clubhouse and other commercial places Use environment: 5-10 square meters ★Quality Assurance: Pass international safety and environmental protection standards (CE certification, UL certification, PSE certification, ROSH certification)