【Solar-Powered Floating Pool Thermometer】This innovative device combines a thermometer with RGB mood lighting, perfect for enhancing your pool experience. 【Wide Temperature Range】Accurately measures water temperature from -19.9℃ to 70℃ (-3.82℉ to 158℉), suitable for various climates and seasons. 【RGB Mood Lighting】Features multiple lighting modes including full RGB cycle, directional color change, and 7 individual colors for customizable ambiance. 【Long-Range Wireless Transmission】Transmits data up to 100 meters in open areas, allowing for convenient monitoring from a distance. 【Durable and Waterproof】With an IP68 rating, this thermometer is fully waterproof and built to withstand pool environments. 【Rechargeable Battery】Equipped with a 2200mAh built-in battery, rechargeable via solar power or USB Type-C port for continuous operation. 【User-Friendly Display】Large 1.57-inch LED screen shows temperature in ℃ or ℉, with additional comfort level indicators for optimal swimming conditions. Specifications: Temperature Range: -19.9℃ to 70℃ (-3.82℉ to 158℉) Display Units: Switchable between ℃ and ℉ (Default: ℉) Wireless Range: Up to 100 meters in open areas Waterproof Rating: IP68 Battery Capacity: 2200mAh rechargeable Solar Panel Size: 3.0 inches Screen Size: 1.57 inches Charging Port: Waterproof USB Type-C Lighting Modes: RGB cycle, directional change, 7 individual colors Lighting Timer: Always on, 60, 120, 180, 240, 360 minutes Additional Features: Child lock function, backlight, comfort level display, time and date display, multi-language support Battery: 3 x AAA batteries (not included)