Replacement bulb: R39 reflector sort and E17 screw base replacement bulbs for lava lamp, glitter , cabinets,and more, Application: Works vast for classic small lava Good quality: High reliability, -span. R39 form can deplete warmth evenly and get hot satisfactory to allow the lava to flow. Safe use: secure performance, safe use, calories saving and environmental protection. Voltage: 220-240V Power: 30W Base: E14 13 Material:aluminum colour:Transparent Package Contents: 5 x light bulb Only the above kit content, different merchandise will not be included. Note: Light mirrored image and assorted displays may cause the color of the article in the photograph a bit diverse from the genuine thing. The size allowed error is +/- 1-3cm.