Fish External Heating Rods Professional Automatic Thermostat Aquarium External Heater 300W

POWER FAILURE MEMORY: The aquarium external heater automatically resumes its previous settings after a power failure, eliminating the need to reset the temperature and avoiding forgetting to adjust it after a power failure. SAFE AND : The aquarium external heater is designed with a water circuit for heating and the water and electricity are separated to prevent the danger of leakage. CAUTIONS: The aquarium external heater shows an E3 relay key bonding fault, which cannot be recovered even after troubleshooting and must be pressed for more than 2 seconds before the fault can be removed. Item Type: Aquarium External Heater Material: Plastic Size: Approx. 8x73x185mm Celsius 0.31x2.87x7.28in Fitting Tube Diameter: Hose: 18mmCelsius0.71in, 22mmCelsius0.87in Hard Pipe: 25mmCelsius0.98in Use: Fish External Heater Control Range: 20 celsius -34 celsius Suitable for Water Capacity: Below 200L