1. Accurate Reading The pool thermometer has a clear LCD display with optional 12/24 hour time display that provides accurate readings in Fahrenheit and Celsius. The temperature detection range of the water tank sensor is 40℃70℃ (40℉158℉), and the temperature detection range of the inner host is 9.9℃50℃ (14.2℉122℉). Record the min and max temperature values. 2. Wireless connection: wireless range: 433 MHz/100 m. The wireless pool thermometer connects in one direction, so you can check the temperature value using the receiver without leaving the room. Temperature error within ± 1℃, transmission distance of 60 meters. 3. Pool thermometer: a floating pool thermometer can float on the water surface and measure the water temperature 100 metres above the water and 60 metres underwater. The measurement data is transmitted to the station via radio, so that it can be read at the base station or by the transmitter itself. 4. Multi purpose: the practical wireless thermometer can track the temperature in real time and enjoy a wonderful bath at optimal temperature. Very suitable for indoor and outdoor use such as swimming pools, hot tubs, fish ponds, aquariums, baths, spas and all kinds of places.