CSL Lighting LXC312-100 Xenon 3W 12-Volt Clear Festoon Lamps, 100-PackCSL Lighting LXC312-100 Xenon 3W 12-Volt Clear Festoon Lamps come in a pack of 100. Energy saving Xenon lamps have a rated lamp life of 9,000 to 10,000 hours (depending on manufacturer and quality) that evenly distribute light while producing 35-percent less heat than halogen bul..