This temperature meter can floats on the water and tests the temperature of the water so you know exactly what temperature the water is and prevents burns or frostbite. Features: Accurate reading: with high accurancy temperature sensor that ensures an accurate temperature reading, providing a flexible temperature reading range from -20°C to 50°C. It is a convenient way to control the temperature of your outdoor swimming pool and bath water. Easy to use: the pool temperature meter floats on the surface of the water, and the handy lanyard stays within easy reach. Suitable for many occasions: perfect for family pools, spas, pool spas, hot tubs, aquariums, and fish ponds. Solar powered design, you don't need to recharge it or replace the battery. Specifications: Color: blue+white Measuring range: -20℃ to 50℃ Item size: 80 * 80 * 140mm / 3.1 * 3.1 * 5.5in Item weight: 62g / 2.2ounce Package size: 140 * 90 * 90mm / 5.5 * 3.5 * 3.5in Package weight: 100g / 3.5ounce Packing List: 1 * Pool Temperature Meter