FEDOUR 25W/50W/100W/300W/500W Aquarium Heater for 1-130 Gallon Tanks

• [Specifications & Applications] The 50W mini aquarium heater is ideal for 5–15 gallon freshwater and saltwater aquariums. Perfect for betta, guppy, goldfish tanks, as well as turtle tanks, shrimp tanks, and pet water fountains. Compact size: 4.9×1.4×1.1 in, US standard plug, with a 5.9ft power cord for flexible placement anywhere in your setup.
• [External Digital Controller – No Wet Hands] The external LED controller allows easy temperature adjustment without getting your hands wet or startling your fish. The screen shows real-time water temperature and supports one-touch switching between ℉ and ℃. Temperature range: 64–93°F. Accuracy: ±2°F.
• [Smart Thermostat & Memory Function] This submersible heater automatically activates when water temperature drops below the set temperature, and shuts off once the target is reached – maintaining stable temperatures. The memory function restores your previous settings automatically after a power outage – no reset needed.
• [Detachable ABS Protective Shell] The ABS protective shell absorbs shock, resists impact, and keeps fish safely away from the heating tube. Mini holes ensure efficient heat dissipation without trapping fish. The shell is easily removable for quick and convenient cleaning.
• [Explosion-Proof Safety Design] The heating tube is made of thickened quartz glass and filled with quartz sand, making this fish heater explosion-proof and safer than ordinary single-glass-tube heaters. The nickel-chromium heating wires ensure even heat distribution and a long service life.
• [Package & Warranty] Package includes: 50W Aquarium Heater ×1, Strong Suction Cups ×3, Stick-On Thermometer ×1. We stand behind our product with a 12-month warranty. If you have any questions or concerns, please feel free to contact us – our customer service team will reply within 24 hours.

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