Function: 1. Water-floating: The thermometer can float on water and check the water temperature, so you can accurately know the water temperature. 2. Multifunctional: you can set alarm temperature, alarm naps, display indoor temperature and water, month, date, week, time and reception channel, which is strong and reliable. 3. Stable performance: It can receive three 433MHz channels and water temperature in up to three positions, which is practical and professional. 4. Convenient operation: thanks to the clear LCD display, temperature data is clear at a glance. The receiver panel is equipped with main keys for easy operation. 5. Wide application: Suitable for measuring water temperature in pool, pond and spa. It is widely used. This is a good measuring tool for the pool. Specification: Item Type: Wireless Pool Thermometer Material: ABS Weight: Approx. 343g / 12,1 oz Wireless receiver: AAA x 2 (supplied without battery) Pool thermometer: AA x 2 (supplied without battery) Water temperature range: -40 to 60 Internal temperature range: -10 to 50 Application: Suitable for measuring pool, pond and spa temperature. List of packages: 1 x wireless receiver (without battery) 1 x Pool Thermometer (Without Battery) 1 x Manual 1.1 normal mode: Press the mode/setting button to switch and display the alarm time and current time; Long press mode/set to go to Settings mode; Simply press the MEM button to check large and small temperature values Press the MEM button for more than 2 seconds to clear all temperature and history records Press the CH/ button to convert and display data of different RF channels Long press the CH/ button to clear the data of the current display channel and enter RF reception Press the CF/- button to switch C/F Press the snooze button to turn on the backlight for 5 seconds. 1.2 time setting mode. Press the mode / set button to switch the display mode to time mode. The switching sequence is: time è bell è time In time mode, press and hold this key to go to settings mode; The set position will flash at a frequency of 1Hz The sequence of settings is: year à, month à, day à, 12/24 hour, à minute and output Press mode/set to confirm the result of the setting Just press the CH/ button and the set value will increase by one step. If you press it for more than 2 seconds, the set value will increase at 8 steps per second Just press CF/- and the set value will be rolled back one step. If you press it for more than 2 seconds, the set value will be reversed at 8 steps per second When the key is not pressed within 30 seconds, it will automatically exit the settings mode and the set value will be saved; 1.3 setting the alarm Press the mode/setting button to switch the display mode to alarm mode; Long press mode/set to go to Settings mode; The set position flashes at a frequency of 1Hz The sequence of settings is: hour, minute, SNZ time (1-20 minutes, 5 minutes by default) and output from settings Just press the CH/ button and the set value will increase by one step. If you press it for more than 2 seconds, the set value will increase at 8 steps per second Just press CF/- and the set value will be rolled back one step. If you press it for more than 2 seconds, the set value will be reversed at 8 steps per second Press mode/set to confirm the result of the setting When the key is not pressed within 30 seconds, it will automatically exit the settings mode and the set value will be saved; When the Al time is displayed, press the CH/ button to switch al When the alarm rings, press nap/highlight to delay the alarm, and press other keys to exit the alarm 1.4 setting the temperature alarm Press and hold the C/F button to display that the alarm of the bath temperature is off, and then press the C/F button to display that the alarm of the bath temperature is on. Then press the mode/set button, press the C/F button accordingly, and then press the CH button to set the desired alarm of the bath temperature. If it is higher than this temperature, it will alarm. Then press the mode/set button, press the C/F button accordingly, and then press the CH button to set the desired alarm of the bath temperature. If it is lower than this temperature, it will alert you. Press the mode/set button again to display that the alarm of the internal temperature is off. Press C/F to display on, and the alarm of the internal temperature is on. Then press the mode/set button, press the C/F button accordingly and press the CH button to set the required alarm of the internal temperature. If it is higher than this temperature, it will alarm. Then press the mode/set button, press the C/F button accordingly and press the CH button to set the required alarm of the internal temperature. If it is lower than this temperature, it will alert you.