TEMP SETTING GUIDELINE DO: turn left and right to adjust the temperature, easy to adjust, the range is 20~34. See: guidance bar for the temperature scale. Working light, plug in the power supply, the working status is more intuitive. Safety Certificate: ETL certification, Hygger provides the most effective guarantee for your aquarium. Thick quartz protective glass; bottom shell; stable suction cup; double seal; precision welding; no insulation leakage Working principle: The Hygger water heater stops when the ambient water temperature reaches the set temperature, and starts working when the ambient water temperature is weak and still spinning to achieve balance. This is not a traditional heater that has been constantly heated. Product Specifications: Voltage: 220-240VAC 50-60Hz; watt: 200W; temperature range : 20~34°C; can be used in different ponds, coral saltwater and small Betta freshwater ponds. Quality guaranteed: 2mm thick glass tube, heat conduction is uniform, anti-collision,
