The Zoo Med Nightlight Red Reptile Bulb is the ideal 24-hour heat source for all types of reptiles, amphibians, birds, or small animals. Made with true red glass for optimal heat transfer, this 100-watt bulb provides an economical and effective way to maintain a comfortable environment for your pets. This red reptile bulb provides very little visible light, so it won't disturb your animals' sleeping patterns, making it perfect for viewing the nocturnal behavior of your animals. The European quality ensures long burn life, giving you a reliable heat source night after night. * 24-hour heat source * Ideal for reptiles, amphibians, birds, and small animals * Minimal visible light to avoid disturbing sleep * Made with red glass for optimal heat transfer * 100 Watts * European Quality