Hova-Bator is the Worlds Best Small Incubator and is the most economical, reliable incubator available. The radiant heat tube gently warms the inside of the incubator. The built in thermostat keeps the temperature steady. TURBOFAN Incubator Circulated air flow operation. Increased air flow from the built in fan permits the incubator to be operated at one temperature for all sizes of eggs and climate conditions, and holds a more uniform temperature. This also needs to be monitored more carefully so your eggs do not dry out. Ideal for most reptiles!