?Suggestions for Use?When using, please immerse the aquarium heater completely in the water, but not bury it in the sand. Fix it horizontally or vertically with suction cups, and place it where the water flows. We offer a 12-month warranty and professional after-sales service, any questions, please don't hesitate to contact us. ?Easy to Use and Operate Memory Function: Each time the heater is powered off and turned on again, the previous temperature setting will be automatically retained. There is no need to repeat the setting every time. ?External Controller: It’s easy to adjust the temperature and change units without getting your hands wet. The LED digital display shows real-time water temperature clearly. ?4 Safety Protection Settings Automatically stops heating when the set temperature is reached. ? Automatically turns off when the heater is exposed to air and when the water temperature exceeds 95?(35?). ?High quality plastic cover can effectively protect small fishes from getting burned. ?IP68 waterproof, UL certification plug and power cord make the aquarium heater safe and non-leakage when in use. ?Safe, Fast and Precise Heating?The internal material of this fish tank heater is explosion-proof insulated quartz tube and nickel-chromium heating wire, which is safer than traditional coil heaters and has better thermal conductivity. The built-in smart thermostat makes the temperature accuracy within ±1?/±1?. ?Oval Mini Size, For 1-26 Gallons?This small submersible aquarium heater is perfect for freshwater and saltwater, with an oval miniature design that takes up little space and is more suitable for small fish tanks and turtle tanks. There are 5 different power (15/25/50/75/100W), check the size chart to find your desired heater.

Best Sellers Rank: See Top 100 in Pet Supplies. : B09B6PCPRF. Manufacturer: AQQA. Date First Available: July 28, 2021. Product Dimensions: 4.5 x 2.5 x 1.2 inches; 11.36 Ounces.