Built-in automatic temperature regulator, no thermostat required. Maintains water temperature within 26℃ If the automatic temperature regulator fails, the temperature fuse will cut off the electricity while the empty state continues. (Not reusable. Comes with 2 types of covers that are flame retardant plastic cover and rubber cover to prevent damage.
Never connect electricity in the air. Never remove the heater from the water as soon as it is powered on or unplugged the power cord. Never touch the heater when submerged underwater. Removable heat resistant cover should be installed correctly Make sure that the water flows and the water evaporates to a depth that does not come out from the surface of the water