1.Easy to read at night: Solar floating pool thermometer is designed for easy reading and floats like a sparkling star in your pool. Relax and enjoy a visual feast with the unique light design that shows the temperatures even after dark. 2.Colourful solar light: pool thermometer floating charges during the day and transforms your pool into a beautiful oasis of light at night. When dusk falls, colourful LED lights create a soft glow reflected off the pool surface, creating a stunning atmosphere for a nightly swim or an intimate bath in the hot tub. 3.Accurate temperature measurement: outdoor solar thermometer provides easy to read and accurate readings within minutes of placement. With large numbers and a temperature range of 5°C to 60°C (30°F to 140°F), monitoring is easier than ever. 4.Solar floating pool thermometer: the water inlet of this pool water thermometer is located on the side and the water outlet on the bottom, so it stays upright and easy to read. Drain well when lifting and do not tip or lay flat on water.