The Wireless Pool Floating Water Thermometer is a solar-powered, indoor temperature meter designed for household use. It accurately measures the water temperature in swimming pools and other water bodies. With its wireless feature, it provides convenience and ease of use for monitoring the water temperature. Whether for indoor or outdoor use, this thermometer offers reliable performance to a comfortable swimming experience. Check the temperature of your pool with this thermometer Color: As Shown Main Material: ABS Feature: Wireless, Solar Powered Type: Thermometer, Water Temperature Meter Power by: 2x AA Batteries for LCD Display Receiver (no including batteries) Package Contents: 1* Floating Pool Thermometer 1* LCD Display Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.