Battery-operated: The floating pool thermometer is operated by 2xAA battery (battery is not included), eliminating the need for wiring or complex power sources. It is easy to install and use, providing convenience and flexibility. Applications: The pool thermometer is easy to read, easy to install and easy to use; suitable for swimming pools, hot tubs, spas, small ponds, aquariums, etc. Monitor Indoor Temperature and Humidity Meter: In addition to monitoring water temperature, this device also displays indoor temperature and humidity. It provides a complete view of your surroundings, allowing you to adjust conditions accordingly. Waterproof Material: The pool thermometer is designed to withstand water exposure and is built to last. The thermometer is wireless and floats on the water surface, providing convenient and hassle-free monitoring. Accurate Temperature Readings: Our pool thermometer ensures accurate temperature measurements. With three screen displays that provide a 360° view,