Robust design for hot water environments The strong heat-resistant PP frame ensures compatibility with spa and pool environments, delivering durable quality and reliable temperature sensing in hot water conditions. Battery-free floating thermometer No batteries required. This floating thermometer delivers fast results in 1-2 minutes. Its lightweight design allows easy transport and effortless handling during pool maintenance. Large measurement range with clear dual scale Provides reliable readings across a wide temperature range with a clear dual scale for precise temperature control in any pool or spa setting. Clear visibility and easy operation An extra-large, easy-to-read display provides immediate temperature data with clear visual clarity for simple handling and quick decision making. Use scenarios - Check spa water temperature before use to ensure comfort and safety. - Monitor pool temperature and heater performance during operation, especially in hot conditions. - Ideal for residential or small commercial pools/spas, providing consistent readings for maintenance and quality assurance.