40W, Pro Incubator, Digital Display Shows Temperature, Humidity, & Days To Hatch, Incutek Heater Is Fast & Accurate, Heating To Factory Pre-Set Temperature Of 100 Degrees Fahrenheit Within Minutes, Days To Hatch Count Down, Set At 21 Days & Adjustable, Hi/Lo Temperature Alarm Flashes When Outside Of Range, Includes Fan Kit & Automatic Egg Turner, Large Viewing Windows For Observation, Additional Probe Thermometer Included, Durable Outer Plastic Shell Protects The Incubator.