Size: 1.77”(D) x 3.35”(H); Material: Glass; Light Color: Warm White Voltage: 3V; Wattage: 0.13w; Base Type: E27 Breakage-proof package:Packaged with customized foam box to provide more protection Note: The light bulb is customized for MJ Premier special table lamp. BATTERY OPERATED only What You Get: MJ PREMIER always focuses on independent research and development. We are proud of our original design ability. Each product in our store is an original design, and most of them are patented. We offer a 6-month quality guarantee. Feel free to contact us with any questions or concerns regarding our cordless table lamp. Our dedicated customer service team will respond promptly and ensure your needs are met