This 70-watt bird bath heater provides a reliable source of warm water for birds during cold winter months, maintaining a consistent temperature between 77 and 78.8 degrees Fahrenheit. The built-in intelligent thermostat sensor automatically activates heating when temperatures drop below 68 degrees and shuts off at 118 degrees to prevent overheating, ensuring safe and efficient operation. Constructed from durable aluminum alloy with a waterproof design, this heater features a hollow structure that maximizes heating surface area for superior heat distribution. The unit is suitable for outdoor use in bird baths, providing essential hydration and bathing opportunities that support bird health and survival throughout winter. It can also serve other outdoor animals including chickens, squirrels, and small pets. The heater includes a 40-inch power cord for convenient placement and operates on standard 110-volt household current. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.