UPGRADE YOUR STRING LIGHTS: Save a bundle on your power bill when you switch out the energy-guzzling incandescent bulbs in your strands of outdoor string lights in favor of ultra-efficient LED light bulbs. 15 bulbs per pack.ECO-FRIENDLY AMBIENCE: Bask in the festive glow of a lighter environmental footprint! LED technology lets you reduce your energy consumption without skimping on the magical atmosphere that illumines after-dark outdoor entertaining. Because it"™s LED, bulb stays cool to the touch; never overheats.BRIGHT LIGHTS: With 200 Lumens per bulb, be confident of lighting your nightscape well enough for you and your guests to see, yet without a glare or harshness to sensitive eyes. The standard base bulb will fit into the Ambience Pro LED Edition or Incandescent versions. (Strands sold separately.)THE WARRANTY: Our goal at Brightech is to provide creative, innovative, beautiful lighting so that everyone can have quality, high-end lighting. We proudly stand behind all of our products 100% and offer a full 3-year warranty. We are committed to making sure you love your purchase, so if for any reason you are not satisfied, please contact us and we will make things right. (Purchases from AmazonWarehouseDeals or any other third party seller do not qualify for our warranty)