Replacement bulb: R39 reflector shape and E17 screw base replacement for lava lamp, , cabinets,and more, Application: Works great for standard small lava Good quality: High reliability, -span. R39 shape can dissipate heat evenly and hot enough to allow the lava to flow.Safe use: stable performance, safe use, energy saving and environmental protection.V oltage: 220-240VPower: 30WBase: E14 13.6mm Material:aluminum colour:Transparent Package Contents:10 x light bulb Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm." Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.