Novelty Lights 25 Pack C9 LED Outdoor Christmas Glass Replacement Bulbs, Warm White Each C9 bulb is 3" tall by 1 1/4" wide with a intermediate C9/E17 base which makes these perfect for an outdoor patio, Christmas tree lights, roofline Christmas lights, restaurant, beer garden, pergola, wedding venue, or umbrella string lighting (strings sold separately). Each bulb uses .75 watts or .017 amps and are made for 120V power sources. These bulbs use 1/10th the energy of an incandescent C9 bulb and create a more vibrant type light for your outdoor Christmas lighting application. Each C9 retro fit bulb is made with five diodes per bulb and does not produce heat and are vibration resistant for a nice steady stream of decoraction lighting. Looks Great on house rooflines for Christmas! These high quality energy efficient C9 light bulbs are long lasting 50,000 hour bulbs and are made with a Nickel C9 base which we will warranty for one full year from date of purchase. PRODUCT NOTES: The listing is for REPLACEMENT BULBS ONLY with C9 strings sold separately. The bulb dimensions are 3" Tall by 1 1/4" Wide and are shown with reference in the secondary images. Please make sure that you that you are in need of a C9 Intermediate base bulb before ordering because a common mistake by customers is ordering the wrong size bulb. BROKEN BULBS? IF YOU HAVE ANY BROKEN BULBS PLEASE CONTACT OUR CUSTOMER SERVICE AND WE WILL SEND YOU REPLACEMENT BULBS.