Zoo Med Nocturnal Infrared Incandescent Heat Lamps 75 Watts (4 Pack) 4 75-watt Nocturnal Infrared Heat bulbs These heat lamp bulbs are made from true red glass, not painted or coated Ideal 24-hour heat source for all types of reptiles, amphibians, birds, or small animals These bulbs emit very little visible light, so as not to disturb your animals sleep patterns Zoo Med's spot reflector focuses more heat into your enclosure and minimizes nighttime glare