Features: Smart Thermostatic Pond Deicer with 500W heating design prevents complete freezing using automatic 0°C activation and 55°C±5°C shut off, ensuring safe oxygen exchange through ice via efficient thermal cycling. Use cast aluminum base houses stainless steel heating tube and EVA float, delivering 120V/3.63A power with ≥100MΩ insulation for year round water safety in ponds/lakes. Great for fishkeepers and pond owners seeking great winter protections for pond, fish, and fish systems vulnerable to ice over conditions. Deploys effortlessly in outdoor water features, backyard ponds, or aquaculture setups to maintain vital air holes while neutralizing harmful gas buildup under freeze surfaces. Red indicators light confirms operations as PVC shielded component and 3meter cord work continuously to preserve water quality and prevent hypoxic emergencies in cold climates. Specifications: Component: Aluminium die castings Product Size: Approx. 18.5x18.5x6.8cm/7.28x7.28x2.67inch, cord length 3meter/118.11inch Power: 500W Package Includes: 1PC Pond DeIcer note: Please allow 0-1cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item