Overall lamp size: length: 20cm, height: 23cm. Irradiation area: 3-5 square meters. Material: glass, resin. color: blue. Switch: button type. Light source type: E27 screw light source (this product does not contain light source, give light source). E27 interface: energy saving, high efficiency, easy to replace. Process: cutting, wrapping, welding. Shade: Stained glass, no discoloration, easy to clean, glass can not be dissolved, soft light. Lamp arm, base: resin lamp cover, anti-corrosion, anti-rust, long-lasting use. Style: Modern and simple. Suitable for: bedroom, study, living room, bedside, hotel room, corridor. Perfectly decorate your room. Bright and dazzling