Solar Power with Battery Backup-The built-in solar panel helps extend battery life while maintaining continuous temperature monitoring. Solar power supports daily operation, while hybrid mode with batteries enables remote monitoring for up to 12 months, reducing the need for frequent battery replacement. IPX8 Waterproof Floating Sensor-Built with an upgraded IPX8 waterproof housing for reliable performance in pools and spas. The fog-resistant display remains clear after extended water exposure, making temperature readings easy to see at a glance. 400FT WiFi Remote Monitoring-Connect through 2.4GHz WiFi with a stable wireless range of up to 400FT. Monitor pool temperature in real time from anywhere using the app and receive instant alerts when the temperature moves outside your preferred range. Dual LCD Precision Display-The dual-sided LCD screen provides clear visibility from multiple angles. Measures temperatures with ±0.5°C (±0.9°F) accuracy across a wide range of -40°C to 70°C (-40°F to 158°F), making it ideal for pools, hot tubs, spas, ponds, and aquariums. Easy to Setup for Use-Easy to pair and simple to install. The durable housing withstands long-term outdoor pool environments while protecting internal components for dependable temperature monitoring season after season.