Size: 2.36”(D) x 4.17”(H); Material: Glass; Light Color: Warm White 2700K. Voltage: 3V; Wattage: 2w; Base Type: E26/E27. The light bulb is customized for MJ Premier special table lamp. BATTERY OPERATED only. This kind of light bulb is suitable for LED-2026/ LED-1218/ LED-1316/ LED-1520/ LED-1015, LED-0813-CB/MG/MY, etc. Breakage-proof package:Packaged with customized foam box to provide more protection. If you have any issues, suggestions, questions, or concerns. Please contact us firstly, we will respond you within 24 hours and resolve the issue as soon as possible