Adjustable Mini Aquarium Heater, 10W/20W/30W, Submersible Small Fish Tank Heater with Digital Display

Adjustable Mini Aquarium Heater 0.5/1/2/3 Gallon Submersible Small Fish Tank Heater 10W/20W/30W Digital Display Thermostat External Temperature Controller (10W)

Adjustable Mini Aquarium Heater, 10W/20W/30W, Submersible Small Fish Tank Heater with Digital Display

YOFOTHS provides your with quality aquarium equipment and services. Lengthy testing and multiple inspections are a must for every product, and we do our best to provide high-quality products. Operation: Cautions: Protection: When the fish tank heater is not fully submerged, the controller will display an "E1" error code and stop heating. When fully submerged again, the error code will disappear and the heater will start working. When the water temperature exceeds 95°F, the heater will automatically cut off the power and stop heating and display the "H1" error code. When the water temperature is lower than 93°F, the error code disappears and the heater is in working condition. too small heater will lead to uneven heating, and too large heater will take up too much space. This size is just right! Easy to operate, button adjustment, no need to wet your hands when adjusting the target temperature,. The current temperature is directly displayed on the LED display screen, which is more intuitive. Although I look like others, my chip is different. It can respond quickly after sensing the water temperature. When placed vertically in the fish tank, it should be 100% immersed in the water. When placed horizontally in the fish tank, it should be 100% immersed in water. It is forbid for exposing some main body part of heater on water when using, this will cause the heater to display the "E1" code, the heater will suspend its work, and resume work after 100% immersed in water. The water level of fish tank cannot be very low, as it is easily for heater to expose on water surface, this will cause the heater to display the "E1" code, the heater will suspend its work, and resume work after 100% immersed in water.

Key Features

• ✅ Small And Powerful: This aquarium heater is about 2.36 inch long . It is specially designed for small fish tanks and does not occupy any space. Upgrade the chip to make the temperature sensing more sensitive and the temperature rise more accurate
• ✅ Intelligent Memory Function: After setting the target temperature, the power is suddenly turned off, and the target temperature remains unchanged after turning on the power again
• ✅ Overheating Protection: If the water temperature exceeds 95°F, the error code "HI" appears, the heater stops working, and when it returns to below 95°F, the error code disappears and it starts working again
• ✅ External Controller: External temperature controller, no need to get your hands wet, no need to buy other controllers, 52 inch long power cord, easy to install, easy to control
• ✅ Widely Used: Suitable for freshwater and saltwater, meet the growth temperature for turtle, Fighting fish, Dwarf Gourami, Koi, Corridors, Paradise Fish, Clownfish, swordtail

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