Yochaqute Aquarium Fish Tank Heater: 50 Watt Submersible Small Betta Heater with LED Temperature Display Adjustable External Controller for 1-10 Gallon Saltwater | Freshwater

【50W COMPACT FISH HEATER】Voltage: 110-120V/60HZ. The power cord is 4.1ft. Suitable for up to 10-gallon tank. With 2 strong suction cups on the back of the fish heater, it’s easy to install it on glass, acrylic, or plastic tank. Great for freshwater and saltwater aquariums. 【OVERHEAT & RUN-DRY PROTECTION】The fish tank heater has a unique smart circuit board and sensor system. When out of water or heats beyond the set temperature, it will automatically stop heating and display an error code until the water temperature is below 96°F or fully submerged. No need to unplug the power or reset the controller. 【EFFICIENT AND EXPLOSION PROOF】The small aquarium heater is made of quartz glass material, which is explosion-proof and crack-proof. More sturdy and durable, without worrying about damage. High-temperature resistant nickel-chromium heating wire with silicon carbide heat conduction. Faster water heating and longer-lasting. 【EXTERNAL CONTROLLER】You can adjust the water temperature without getting your hands wet. Easy to use and safe. Adjustable temperature range from 64℉ to 91℉. Every time you set your betta fish heater, just press the button repeatedly until it reaches the temperature you want. Notice: The controller cannot be put in water. 【SATISFACTION GUARANTEED】Our aquarium heaters are designed with durability and safety in mind in every way. If you have any questions, please feel free to contact us! We will be happy to provide a prompt refund or replacement with a new product. 12 months warranty and 24 hours professional after-sales service.