YOFOTHS Adjustable Mini Aquarium Heater 5-10 Gallons Submersible Small Fish Tank Heater 50W Digital Display Thermostat External Temperature Controller (50W)

Small And Powerful: This aquarium heater is about 4.3 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