Safe material: This swimming pool thermometer combines a robust PP body with durable components, ideal for spa and pool use. It is designed for long-term durability, resistant to environmental exposure, and maintains reliable temperature measurement over time. Practical: Floating thermometer with no batteries — measures water temperature in 1-2 minutes. This lightweight device is essential for maintaining ideal pool conditions. Universal pool control: Delivers consistently accurate readings with a dual-scale display for all pool types and water conditions. Easy pool monitoring: User-friendly design with a large display ensures quick access to precise water temperature and easy readability at a glance. Usage scenarios: - In home spas or hot tubs to quickly verify water temperature before use. - In family pools to monitor temperature for comfortable swimming and to guide chemical adjustments. - In rental properties or public pools to simplify maintenance and improve guest comfort.