Numerical Temperature Recording The maximum and minimum temperature records of the day are supported. Widely Used and Versatile Floating thermometer is suitable for family swimming pools, spas, pool spas, hot tubs, aquariums and fish ponds. LCD Digital Screen The real time temperature of the water where the sensor is located and the indoor temperature where the host is located can be displayed on the same screen. Time is shown in an optional 12/24 hour format. Use Scenarios At home family pool: monitor daily water temperature extremes to plan swimming times and maintain comfort. Spa or hot tub: track water temperature and ambient temperature to ensure safe and comfortable use. Aquarium or fish pond: maintain stable water temperature to support aquatic life and overall health. Key attributes Function: provides realtime water and indoor temperature readings with daily max/min tracking. Compatibility: suitable for family pools, spas, hot tubs, aquariums and fish ponds. Display: single LCD screen shows water temperature, indoor temperature, and time (12/24 hour format optional). Design: floating thermometer for easy placement on the water surface.