Feature: 1. IDEAL FOR FISH POND: Floating heater is designed for placing at the bottom of the pond to provide a warm and safe environment for fish and plants, creating a protective paradise for your aquatic creatures in the cold winter. 2. EFFICIENT AND SAFE: Made of cast aluminum, this pond heater boasts high efficiency and safety, able to withstand harsh weather conditions with its compact design for easy installation. 3. SMART TEMPERATURE CONTROL: The constant temperature control only works when necessary to prevent freezing, combining intelligent technology with powerful heating, making it an efficient choice in cold climate conditions. 4. HEAVY DUTY WIRE PROTECTION: Equipped with a heavy duty anti bite wire protector to ensure wild animals do not mistake the de icer for a toy, allowing you to have peace of mind throughout the entire winter season. 5. 500W HEATER: With a power rating of 500W, this floating pond heater is efficient, and built to last for over 100,000 cycles of use, ensuring dependable heating for your pond. Specification: Item Type: Heater Material: Cast Aluminum Rated Current: 3.63A Insulation Resistance: ≥100MΩ Diameter: 8.0mm Power: 500W Craftsmanship: Surface Polished Rated Voltage: 125V AC Disconnect Temperature: 25±5℃ Recovery Temperature: 5±5℃ Circuit Form: Normally Closed Use Life: ≥100000 Touch Resistance: ≤50mΩ Insulation Resistance: ≥100MΩ Disconnect Temperature: 25±5℃ (Test Conditions: Ambient Humidity: 25℃, 3L Room Temperature Tap Water.) Recovery Temperature: 5±5℃ (Test Conditions: Ambient Humidity: 25℃, 3L Room Temperature Tap Water.) 1. Connect the product to the power supply and put it directly into ice water or ice blocks for heating. When the water temperature rises to a certain temperature, the heating will be disconnected. When the water temperature drops to a certain temperature, it will heat up again, thus maintaining the water temperature within a certain range. 2. The red indicator light on the heater indicates working when lit and non working when off.. Package List: 1 x Floating Heater 1 x Instruction Manual