About this item MULTI-PURPOSE: 30 watt R39 reflector type bulbs, replacement bulbs for lava lamps. These bulbs can be used in many applications, primarily for replacement bulbs for lava lamps and other decorative lighting accessories. ADVANTAGE: Designed to reflect and direct light into the base of the lava lamp to create enough heat to start the lava, the reflection and flat top make the lava lamp brighter and more vibrant. MORE CONVENIENT: The reflector bulb is flat on top to allow heat distribution differently than a round bulb, it can spread the heat evenly and get hot enough to allow the lava to flow. lifespan. RECOMMEND: Single bulb approx 39 x 65 mm / 1.54 X 2.56 inches. lava lamps and other lava lamps using 30W light sources AFTER-SALES SERVICE: 100% satisfaction guarantee. Any problems (bulbs broken or burned out), please contact us and we are always at your service. Product parameters: Light source type: R39Voltage: 220-240V Power: 30WLumen L: 150lmSpecification: R39 reflector bulbColor temperature: warm white 2700KProduct body material: glassProduct size: approx 39 x 65mm/1.54 2.56 inchesAdjustable brightness: noFunction: beautiful appearance, soft light color, long lifespanApplication: indoor and outdoor decorative lightingLight fixture model: E14Packaging accessories:Bulb*1