[Product name] thermometer for swimming pool aquarium [Specifications and size] Total length 30.5 cm pole length 26.5 cm Outside diameter of the dial: 18CM Internal diameter: 12.5 CM 【Measuring range】 0-408 °C Precision】 ± 1.5 °C 【Post material】 Stainless steel 【Dial material】 Plastic [Applicable environment] Swimming pool, aquarium