The Exo Terra Swamp Glo Basking Spot Lamp is a broad spectrum daylight spot lamp that is splash and mist resistant, making it ideal for aquatic or humid terrariums where high humidity or accidntal water spillage could cause a regular basking lamp to burn out or shatter. Helps enchance the colouration. Made from extra-strong neodymium glass, the R20 bulb lasts for 5000 hours. Available in 50 Watt, 75 Watt, and 100 Watt.