1 listed. This product also features dimming capabilities, 6KV surge protection, is wet location rated, and is also DLC Premium 5.100 Watt UFO LED High Bay - 5000K - 14400 Lumens - 120-277 Volt - White Finish A few add-ons that are available for purchase for this item include a pendant adapter, emergency battery back-up, protective wire guard, and a microwave sensor..