20,00 life ours. Medium base. Non-dimmable. The performance specifications (watts and life) printed on this product package should only be considered an approximation of expected performance. Twinkling soft white crackled glass fairy light bulbs make stunning pendant, string, lights or party lights. The unique decorative bulb installs into any medium base socket and makes it easy to add a distinctive look to any space while enjoying the latest energy saving benefits of LED. Fits standard light socket. UL listed. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Note: This equipment has been tested and found to comply provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Any charges or modifications not expressly approved by the manufacture could you the user's authority to operate the equipment. Consult the dealer or an experienced radio/TV technician for help. www.feit.com. Other bulb designs available. Learn more at www.feit.com. Made in China.