Classic, iconic shaped lava lamp with glass globe for home, dorm room, or office., Soothing, slow-moving bubbles., 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., Lava lamp for home, dorm room, or office, Soothing slow-moving wax with soft relaxing light, Glass globe, Coloma technology makes white wax appear to change color as it flows up and down the multi-colored, painted globe, 25 watt (S11 shape) light bulb included