Ever wonder what your pet gets up to in the night? Need to see if they are sneaking to the fridge for extra snacks or staying up late to binge their favorite television show? With Zoo Med Nightlight Red reptile bulbs you can get a behind-the-scenes sneak peek at your nocturnal critter's activities. In addition to stealth viewing, bulbs are the perfect night time heating solution for many reptile terrariums. These infrared heat lamps are made with true red glass that is not coated or painted that helps prolong the life of these bulbs while maintaining consistent light and heat output. Infrared bulbs help increase ambient temperatures and won't create a hot spot. These lamps making viewing easy, but won't disturb a day/night cycle. Nightlight Red bulbs can be used for 24 hour, or night time heating. Available in 25,40, 60 and 100 watt options to fit the needs of many reptile species. Fits Zoo Med Deep Dome and other ceramic socket heat lamp fixtures.