Item Type: Wireless Pool Thermometer_x000D_Material: ABS_x000D_Thermometer Battery: AAA battery x 2 (thermometer shipped without battery)_x000D_Display Battery: AAA battery x 2 (monitor shipped without battery)_x000D_Indoor Temperature Range: 0 to 50 _x000D_Outdoor Temperature Range: -40 to 70 _x000D_Wireless: 433.92MHz_x000D_Transmission Distance: Approx. 60m / 196.9ft_x000D_Time Display: 12, 24H optional_x000D_It can display the real time temperature of the water area where the sensor is located and the indoor real time temperature of the host on the same screen._x000D_Supports recording of the highest and lowest temperatures of the day._x000D_Indoor and Outdoor Temperature Display: , optional. 1WIRELESS POOL THERMOMETER: The maximum wireless connection range of the floating pool thermometer is 60m, and the temperature error range is within 1 . The outdoor swimming pool thermometer can be wirelessly connected to the indoor receiver, allowing you to use the receiver to check temperature data without leaving the room. 2DIGITAL WATER THERMOMETER: The float of the pool water thermometer is equipped with a sensitive contact probe, which can quickly and accurately detect the water temperature. The swimming pool thermometer has a clear LCD display screen that can display 12 to 24 hours of time. You can select the desired temperature unit through one button. Wireless swimming pool thermometers provide you with accurate readings in Fahrenheit and Celsius, supporting both maximum and minimum temperature records. 3PRACTICAL ACCESSORIES: Digital swimming pool thermometers are packaged with ropes. The wireless swimming pool thermometer will float with the water, so tying a rope to the thermometer can help you quickly find the swimming pool thermometer without losing it. 4WATERPROOF: This swimming pool temperature meter has a IP67 and comes with a double sealed waterproof cover. Before placing the digital pool thermometer in water, please tighten the thermometer cover, otherwise water may enter. If you find water mist on the screen of the float pool thermometer cover, please remove the cover and dry it before use. 5MULTIPURPOSE: The wireless swimming pool thermometer float has a compact and exquisite appearance, rich functions, and is very suitable for use in swimming pools, hot tubs, aquariums, baby bathrooms, and spa centers. No matter where you need to check the water temperature, a floating pool thermometer is the perfect choice to ensure the appropriate temperature. By using a swimming pool thermometer, you can always monitor the real time temperature and swim at the optimal temperature. 1 x Thermometer 1 x Display 1 x Rope 1 x Manual