Lava Lite 2110 14.5-Inch Classic Silver-Based Lava Lamp, Red/Clear Classic, iconic shaped lava lamp with glass globe for home, dorm room, or office. Soothing, slow-moving bubbles. Refer user guide below Glass housing with steel base and matching cap. Electrical cord with inline switch for plug-in operation; 25-watt incandescent bulb included. Trouble-shooting tips can also be found on website - http://www.lavalamp.com/UseCareGuides. 90-day limited warranty. For any further queries please contact Lava Lite Customer Service at (800) 336-5282 weekdays 8-5 CST or info@lavalite.com. Stands 14-1/2-Inches tall Clear liquid with red wax Cool oozing motion, Great conversation piece Lava lamps use light bulbs to slowly heat up the coil inside the wax, which in turn slowly melts the wax & gets it to flow. This can sometimes take hours before lava flow becomes visible. The heating process can take up to 8 hours before proper lava flow begins