TS-PL03 Solar Powered Digital Display Floating Pool Thermometer with RGB Ambient Light for Swimming Pool - Blue 【Versatile Temperature Display】LED display shows temperature from -19.9℃ to 70℃ (-3.82℉ to 158℉) with switchable units between ℃ and ℉. 【RGB Ambient Lighting】Features multiple RGB lighting modes including full spectrum changes,directional shifts,7-color cycle,and individual color options for a customizable pool atmosphere. 【Solar Powered with Backup Battery】Equipped with a 3.0-inch solar panel and a 2200mAh rechargeable battery for continuous operation. 【Long-Range Wireless Transmission】Transmits data wirelessly up to 100 meters in open areas for convenient monitoring. 【Waterproof and Durable】IP68 rated for excellent water resistance,ensuring reliability in pool environments. 【User-Friendly Features】Includes LED display on/off function,ambient light timer (60 to 360 minutes),and child lock for safety. Specifications: Temperature Range: -19.9℃ to 70℃ (-3.82℉ to 158℉) Default Temperature Unit: ℉ (switchable to ℃) Wireless Range: Up to 100 meters in open areas Waterproof Rating: IP68 Battery Capacity: 2200mAh Solar Panel Size: 3.0 inches Screen Size: 1.57 inches Charging Port: Waterproof TYPE-C Package included: 1 x Pool Thermometer 1 x Lanyard 1 x USB to Type-C Power Cable 1 x English Manual