Devopet 200W Aquarium Heater, Adjustable Fish Tank Heater, with Digital Display, Overheat Protection & Dry Run Protection,...

About this item

• 200W Aquarium Heater - This 200W heater is suitable for 20-40 gallon tanks, measuring 8.8 inches in length. Its compact size saves space and is easy to hide in aquariums, making it an ideal choice for freshwater, saltwater, and turtle tanks
• Reliable & Durable - The submersible fish tank heater features explosion-proof and corrosion-resistant thickened quartz glass, paired with a high-temperature-resistant ABS casing for enhanced sturdiness and extended lifespan
• Safety Design - Equipped with overheat protection and dry-run cutoff, the heater automatically stops working when water temperature exceeds 97°F or out of water, effectively eliminating hazards and safeguarding aquatic life
• Adjustable Temperature - The external controller allows temperature adjustment in 1°F increments, with a range of 64-93°F. The built-in digital display shows real-time temperature and working status. It also features a memory function, retaining the last setting after power restoration without manual reset
• Fast Heating & Precise Control - This heater features high-quality nickel-chromium heating wires for rapid and even heat distribution. The smart temperature sensing system continuously calibrates water temperature, maintaining a deviation within ±0.5℉. When the temperature drops below the set value, the heater activates automatically. Upon reaching the desired temperature, it switches to low-power mode to stabilize heat with minimal energy consumption, protecting aquatic life from temperature fluctuations

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