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 environment for your aquatic creatures in cold winter conditions. 2. EFFICIENT AND SAFE: Made of cast aluminum, this pond heater offers high efficiency and safety, able to withstand harsh weather conditions with a compact design for easy installation. 3. SMART TEMPERATURE CONTROL: The constant temperature control activates only when needed to prevent freezing, combining intelligent operation with effective heating performance, suitable for use in cold climates. 4. HEAVY DUTY WIRE PROTECTION: Equipped with a heavy-duty anti-bite wire protector to help prevent damage from animals, providing reliable performance throughout the winter season. 5. 500W HEATER: With a power rating of 500W, this floating pond heater is built to last for over 100,000 operating cycles, delivering consistent and 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: ≥100,000 cycles 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 place it directly into ice water or ice blocks for heating. When the water temperature rises to a certain level, the heating stops. When the temperature drops, heating resumes, maintaining the water temperature within a set range. 2. The red indicator light on the heater indicates active operation when lit and no activity when off. Package List: 1 x Floating Heater 1 x Instruction Manual