Replacement bulb: R39 reflector shape and E17 screw base replacement bulbs for lava lamp, glitter , cabinets,and more,Application: Works great for standard small lava Good quality: High reliability, -span. R39 shape can dissipate heat evenly and get hot enough to allow the lava to flow.Safe use: stable performance, safe use, energy saving and environmental protection.Voltage: 220-240VPower: 30WBase: E14 13.6mmMaterial:aluminumcolour:TransparentPackage Contents:5 x light bulbOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.