The K&H Pet Products Thermo-Poultry Chicken Brooder heater is the safest, easiest, and most economical way to provide added warmth for newly hatched chicks or ducklings. The unique pegged shelf provides an adjustable height system that allows you to adjust the brooder heat plate to be used even as chicks begin their growth spurt. Available in two sizes; at only 25 watts for the small and 40 watts for the large, the K&H Thermo-Poultry Brooder will be a staple product for years to come. Why use dangerous brooder heat lamps when there is a safe alternative in your brooder box for chicks. This heated brooder for birds has been tested & certified by MET Labs and exceeds USA/CA electrical safety standards; K&H doesn't just use safety listed parts; we safety certify the entire product. Designed by K&H with OVER 25 years of experience in creating safe, innovative, quality products for pets.