[Small Aquarium Heater] The MantaMaze 25W mini aquarium heater is 4.7 inches long, about 1 inch shorter than the iPhone 13. Ideal for use in small glass or metal desktop aquariums. 1 to 6 gallon acrylic. It can automatically control the water temperature at 78°F, no need to adjust the temperature, which makes your fish and turtles happier. [How to use this heater] Fully immerse first the 25W aquarium heater horizontally or vertically in the water, then plug it in, the red light will be on, the heater will start to work until the water temperature reaches 78°F and the light red light is off, then the green light comes on, the heater stops working and maintains a constant temperature of 78°F. Accuracy range: ±3°F. [Precautions for Use] MantaMaze Small Fish/Turtle Aquarium Heater should be completely 100% immersed in water before use. plugged in, do not use or leave heater plugged in when your aquarium is out of water. Please unplug the power plug first before changing water or cleaning
