• Improved IPX8 waterproof rating designed to prevent oxidation, fogging, and malfunction. • Integrated injection sealing design providing complete protection against leaks. • High-precision sensor probe that updates temperature data every 10 seconds. • Large LCD screen with easy-to-read numbers and a 35-degree angle display. • Powered by solar panel and built-in rechargeable lithium battery for long-lasting use without the need for alkaline batteries. • Includes a one-meter rope to secure the thermometer and facilitate retrieval and reading. • Temperature accuracy of ±1 °C (±2 °F). • Suitable for swimming pools, hot tubs, hot springs, and aquariums.