The OmayKey 2-Pack 100W Ceramic Heat Lamp with 1-pcs Digital-Thermometer is a great way to add some extra warmth to your home. These lamps are made of solid ceramics elements that have a perfect heat radiation feature and no light output. They’re perfect for use in an aquarium, reptile house, or any other type of zoo. With one digital thermometer included, these lamps are sure to provide accurate and consistent temperatures.