Enhanced Durability: Crafted with IPX8 waterproof and robust ABS materials, our floating pool thermometer ensures resilience against harsh pool chemicals and diverse weather conditions. Align the marks on the sensor's edges tightly to optimal waterproof effectiveness. Precision Temperature Sensing: Experience superior accuracy with our pool thermometer, which boasts a precision of 0.9 (0.5) within a range of 32F to 140F. It's versatile enough for use in ice baths, hot tubs, cold plunges, and even baby baths, ensuring you always get the exact temperature. Extended Wireless Range: Utilizing advanced technology, our pool thermometer maintains a reliable connection up to 500 feet away. Monitor your water temperature conveniently from indoors without the need to step outside, ensuring constant surveillance of your swimming environment. Optimal Visibility Display: Equipped with a large, backlit screen, our wireless pool thermometer allows for easy reading under any lighting conditions. It also records 24-hour maximum and minimum temperatures, helping you track thermal changes throughout the day and night. Simple Setup & Great Gift Idea:it makes a perfect present for pool owners, making it an ideal choice for Father's Day or any special occasion. Frequency: 433 MHz Display console: 2xAAA 1.5V alkaline batteries(no included) Remote control sensor: 2xAA 1.5V alkaline batteries(no included) Color: As Shown Material:ABS Package Contents: 1 x receiving thermometer 1 x transmitting thermometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.