Solar Thermometer Minimum Maximum Floating Thermometer for Swimming Pool Feature:1. Widely Applicable: Digital solar thermometer, which can be widely used to measure water temperature in swimming pools, bathtubs, etc, with accurate measurement.2. Range Measurement: This solar digital thermometer has the highest and lowest temperature function, it can measure the temperature from ‑20℃-+70℃.3. Solar Powered: Thermometer has a built in 160mAh battery and is powered by solar energy, just put it in the water and wait for 1‑2 minutes to display the reading.4. Easy To Read: The pool water temperature meter is displayed in ℉ and ℃ with a clear digital display, which is very easy to read and very convenient.5. Compact: The digital thermometer is small, lightweight, and comes with a drawstring for easy access, making it suitable for use in all swimming pools. Specification:Item Type: Solar ThermometerMaterial: ABSTemperature Range: -20℃-+70℃Battery Parameters: 1 x LR44 Button Battery, 160mAh (Built in)Weight: Approx. 108g/3.8ozPackage List:1 xSolar Thermometer1 xRope How to use:Chargethethermometerindirectsunlightbeforeuse.