hygger Aquarium Heater, Fish Tank Heater, 500W Aquarium Heaters with Smart Digital External Controller, 2 Working Modes, 15-34℃, Tropical Fish Tank Heaters for Freshwater Saltwater 246-292L

Product Features

• 【Digital External Controller Fish Tank Heater】: This external temperature controller can display the set temperature and the current temperature of the water, easy to read，and the digital display makes for intuitive viewing of real-time water temperature monitoring. Control range: 14-35℃ ，with temperature accuracy of ±0.5℃. Besides, the child lock function can prevent children from accidentally touching the button of the heating rod, avoiding the accidental release of high-temperature hot water and reducing the risk of burns
• 【Smart 2 Temperature Modes】: Featuring a dual temperature modes, hygger aquarium heater allows you to freely switch between Enery-Saving Mode ( Green light indicator, heating on when water temp is 1℃ below the set temp ) and Prescision Mode ( Red light indicator, heating on when water temp is 0.5℃ below the set temp ) by pressing "UP" button on the temperature controller for 4 seconds. The intuitive design makes it easy to monitor and adjust the temperature mode, catering to both beginners and experienced aquarists
• 【Multi-protection & Beep Alarm】: We've got your fish's well-being in mind. This tropical fish tank heater includes multiple safety measures. The aquarium heaters will automatically stop heating when the water temperature exceeds 35℃ or the heater is 3 cm above the water surface and restarts when submerged again, ensuring your fish won't get cooked. When the temp control system detects a malfunction in the equipment, it will give an error code and beep alarm o prevent any potential damage or injury
• 【Easier Installation】: Please keep the aquarium heaters fully submerged. This submersible aquarium heater can be easily installed vertically or horizontally by using 2 powerful suction cups. Besides, we provide 1 anti-bite protection cable coil and 1 double-sided tape to fix the controller. Make sure to unplug before water change or cleaning cool down the fish heater for 15-20 minutes
• 【Explosion-Proof Dual Quartz Glass Tubes Aquarium Heater】: Made of explosion-proof quartz glass, this fish tank heaters for tropical adopt high-temperature-resistant nickel-chromium heating wire and quartz sand for efficient heat conduction, providing high heating efficiency and long-lasting performance. With anti-scald black housing, much reliable for your lovely fishes, your pets will no longer fear the winter