Description: Brand new and high quality. Small screw cap R39 replacement spotlight bulb 30 watt reflector type. Specially designed to reflect and direct the light into the base of lava lamps for creating enough heat to start the lava motion. Nice appearance, soft light color, long lifespan, suitable for indoor and outdoor lighting. Specification: Material: Glass Size: Approx. 39×65mm / 1.54×2.56inch Voltage: 220V Power: 30W Socket: R39 Package Includes: 1 Piece R39 Lightbulb