Replacement bulb R39 reflector shape and E17 screw base replacement bulbs for lava lamp, glitter lamps, cabinets,and more,Application Works great for standard small lava lampsGood quality High reliability, long life-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 220-240V 30WBase E14 136mmMaterialaluminumcolourTransparentPackage Contents5 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.