AcuRite Wireless Digital Floating Pool and Spa Thermometer 00617HDSBA1

Perfect for pools, hot tubs, and lakes, the AcuRite Wireless Digital Pool Thermometer allows you to monitor water temperature from a digital display inside your house (up to 100 ft. away). The bold, easy to read LCD screen displays the current water temperature, high / low information and a history graph with the last 3 days of temperature recordings. Track temperature changes from 1 hour to 3 days ago. A Freeze Warning alerts you when the water temperature drops below 40 degrees. The floating outdoor sensor features water temperature information, durable weatherproof & waterproof construction, powerful wireless technology and low battery indicator light. One-year limited warranty. It's more than accurate, it's AcuRite.