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 parameters: Product Name: Tiffany Style wall lamp Size: diameter 20cm, height 28 cm Weight: 2.0kg Material: Stained Glass, Hardware 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) Number of light sources: 1 ★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 ★We can supply voltage according to your requirements Power: 5W (inclusive) -25W (inclusive) Switch: button Recommended places: bedroom, study, living room, children’s room, aisle, corridor, clubhouse and other commercial places Use environment: 3-5 square meters ★Quality Assurance: Pass international safety and environmental protection standards (CE certification, UL certification, PSE certification, ROSH certification) ★1898 ancient craftsmanship, like oil painting, primitive, rough, retro, nostalgic art style. ★Note: When cleaning the lamp, you must turn off the power first. Do not wipe the lamp holder with a damp cloth to avoid leakage. ★Quality Assurance: Built-in safety packaging, special foam, cut into the shape of the lamp to ensure a safe and stable position, solemnly promise: we will bear all the losses in the transportation process, solve your worries