Excellent quality: Made of durable materials, the floating water thermometer has excellent quality with anti-drip function. An ideal choice: The floating water thermometer is an ideal choice for swimming pool water thermometers, pool spa thermometers, hot tubs, fish ponds, aquariums and all other types of systems. Temperature Reading Range : The water thermometer's temperature reading range is 20-120F / -10-50C. Durable materials: The pond thermometer is made of durable materials and features a anti-drip function, so it can be used for a long time. Suitable occasions: The water thermometer is suitable for swimming pools, swimming pools, hot tubs, baby pools, ponds. fish, jacuzzis, spas and large aquariums, etc.