Description: SPECIAL DESIGN: This outdoor bird bath deicer is designed for standard size bird baths and can be used for different kinds of bird baths. EASY TO USE: Just place the bird bath heater in the center of the bird bath, make sure the heater is completely covered with water and plug it in, and it will start working. REPLACEMENT SPARE PARTS: No need to replace spare parts for the bird bath heater, just plug it in and your birds animals will enjoy gentle warm water in minutes. PROTECTION OF BIRDS: Great for small animals, our low wattage heater is perfect for outdoors and cold winter days to provide steady, gentle hot water without scalding your bird or animal mouth. APPLICATION: Indoor farms, kitchens, living rooms, bedrooms and other indoor places. Specification: Material: PVC Size Chart: Diameter: 16.5cm/6.50inch Package Includes: 1 Bird Bath Heater Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on line shopping!