The Vector Plasma One features a bright 36 watt bulb for excellent fly attraction and control. At about half the size and watts of the original plasma light, the Vector Plasma One is perfect for sensitive areas where less UV light is desired. The smaller size also makes the light more cost-effective and allows it to fit in more places. The Plasma One is made of durable aluminum with a narrow and sleek design that carries all of the quality and effectiveness of the Vector brand. Measures 21" wide x 6.3" high x 2.5" deep. Uses Vector Plasma One Glue Boards and replacement bulbs are the Vector Plasma 36 watt. Each Flylight comes with a light bulb and one glue board already installed.