This E27 bulb lamp heating fan made of high quality outer shell very durable, fireproof and heat-resistant for safety using LED digital display screen for easy operation and temperature setting in 28 ℃~35 ℃ (82~95℉) Automatic constant temperature technology, auto power-off while overheating, and starting hearing while below the setting temperature LED light heating with control button, very convenient and functional for observing animals Suitable for keeping warm for chickens, ducks and other poultry.