The Thermo-Chicken Heated Pad is perfect for chicks and chickens. The 12.5 X 18.5 size is perfect for most chicks and chickens. Use in the first stages of life for mandatory heat requirements and later when old man winter pays a visit! The internal thermostat is pre-set to the perfect temperature. Ensuring your chicks do not "get chilled" will help prevent "pasting" and support a healthy start. Only 40 watts makes the Thermo-Chicken Heated Pad very energy efficient. It can be placed on the floor or mounted to a wall. Constructed of ABS plastic for durability. It's also a perfect for a duck warmer, or for any other feathered friends that need a little extra warmth in the winter. For use in an enclosure. This chicken heater 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; one-year limited warranty