Feature 1、Auto Constant Temperature: This bird bath heater adopts intelligent thermostatic technology. It only heats up when necessary and stop heating automatically when the water reaches the ideal temperature, which ensures high safety. 2、250W Power: This birdbath deicer adopts 250W power, which can keep your feathered friends warm and comfortable, ensuring your birds or farm animals can enjoy warm, mild water in minutes. 3、Perfect Size: This birdbath heater is about 5.5in long and 2.4in wide, designed to work with standard size birdbaths, this heater can be used in different models, easy to clean and won't leave rust or stains in your birdbath bowl. 4、Easy to Use: This pond deicer with 3.28ft long power cord can meet your specific needs, whether it's for birds, sheep, chickens, or other farm animals. Simply attach the power cord to any standard outlet, lay the heater flat on the bottom of the birdbath. 5、Durable Material: This is made of premium metal material, sturdy and durable, with high thermal conductivity. And please do not touch the heating plate when heating, or it will burn you. Item Type: Bird Bath Heater Material: Iron Product Size: Approx. 14 x 6cm / 5.5 x 2.4in ( Manual Measurement, Slight Error May Exist ) Weight: Approx. 320g / 11.3oz Package List 1 x Bird Bath Heater1 x User Manual