Floating on Water: The thermometer can float on the water and test the temperature of the water, so you can know the temperature of the water accurately. Multi Function: You can set temperature alarm, nap alarm, display indoor and water temperature, month, date, week, time and receiving channel, which is powerful and reliable. Stable Performance: It can receive three 433MHz channels and the water temperature at up to three positions, which is practical and professional. Convenient Operation: With clear LCD display, the temperature data is clear at a glance. The receiver panel is equipped with main keys for easy use. Widely Application: It is suitable for measuring the water temperature of swimming pool, pond and spa. It is widely used. It is a good measuring tool for swimming pool. 1.1 normal mode: Press the mode/set key to switch and view the alarm time and current time Long press the mode/set key to enter the setting mode Simply press the MEM button to check the temperature large