Color/finish: white Design details: Intelligent Thermostat Control: Built in a smart thermostat sensor and featured with 70W power, this bird bath deicer not only heats fast, but also keeps water thermostatic at 77-78.8, an ideal temperature range for birds in winter. Safe For Birds: This birdbath fountain heater automatically activates to warm the water when the temperature drops below 68 and ceases heating when it reaches 118, preventing any risk of overheating. Safe and bird friendly. Waterproof & Hollow Design: This outdoor water heater boasts a hollow deign in structure, which maximizes the heating surface area and offers superior heat distribution, compared to traditional heated bird baths. The waterproof design makes it ideal for outdoor use. Animal Friendly In Winter: The water heater can not only provide warm water for birds, but also for other animal friends. Measurements: 6.3in x 5.91in x 2.36in Imported