Features: High-Quality Material: The pool thermometers is made of high-quality material, which is wear-resistant and not easy to break, and can be used for a long time. Solar Powered: The solar pool thermometers charges throughout the day and the light automatically turns on once it gets dark enough. Floating Thermometers: Pool thermometers with a fixed cord so you can find our pool thermometers when measuring your pool temperature. Multifunctional design: This water thermometers is powered by solar energy and has a digital display function and two temperature units of ℃/℉ for easy reading of data. Wide range of applications: Can be used to measure water temperature in swimming pools, hot tubs, pond, etc. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: LED temperature display: -19.9℃~70℃（-3.82℉~158℉） Temperature unit can be switched: ° C/°F Default display unit: temperature [℉] RGB atmosphere light color display: RGB overall change → RGB changes from right to left → 7 color cycle → blue → light blue → green → yellow → red → purple → white 5 surround lights countdown off function: set time to 60→120→180→240→360 minutes Wireless transmission distance: open distance is 100 meters Protection level: IP68 Built-in 2200mAh battery Solar charging panel size: 3.0 inches Screen size: 1.57 inches Waterproof TPYE-C charging port Charging method: solar 3.5-5.5V/TPYE-C charging 1 Body material: ABS Extra function: Child lock function Packing list: Pool thermometer x 1, Rope x 1, USB to tpcy-c power cords x 1, pearl cotton bag x 1, English manual x1, packaging box x 1 Package List: 1x Solar Powered Pool Thermometers