SainSmart Aquarium Heater, Submersible Glass Water Heater, 100W Adjustable Fish Tank Heater Thermostat with Suction Cup, for Marine Saltwater and Freshwater, Up to 20 Gallon Fish Tanks - XpertMatic

• UPC   816550027998
• Durable Construction: Made with Cytak Qyartz Glass and Reinforced Ceramic, this heater is built to last. The temperature control knob and strong suction cups make it easy to use and adjust to your desired temperature. Advanced Safety Features: With dual system temperature control technology, this heater provides double the safety. The over-temperature protection feature automatically powers off the device when the water temperature exceeds 96.5°F, preventing overheating and ensuring the safety of your fish. Compact Size: This heater is super compact, making it perfect for bottom filter tanks while able to heat up to 20 gallon fish tanks. Its small size doesn’t compromise on performance, ensuring that your aquarium stays at a constant temperature. Advanced Heating Technology: The advanced step heating technology ensures that your aquarium stays at a constant temperature. The device will heat for 3-15 minutes intermittently, with 3-5 minute intervals until a constant temperature is reached. When the indicator light is off, the device will stop heating, extending its service life and saving energy. Temperature Monitoring: The SainSmart XpertMatic Submersible Aquarium Heater comes with an independent thermometer to monitor the temperature of your aquarium. You can calibrate the temperature at any time, ensuring that your fish are always in a comfortable environment.