Item Type: Wireless Swimming Pool ThermometerMaterial: ABSWeight: Approx. 343g / 12.1ozWireless Receiver: AAA x 2 (Shipped Without Battery)Pool Thermometer: AA x 2 (Shipped Without Battery)Water Temperature Range: -40 to +60Indoor Temperature Range: -10 to +50Usage: Suitable For Measuring The Temperature Of Swimming Pool, Pond And Spa.1.1 normal mode:Press the mode/set key to switch and view the alarm time and current timeLong press the mode/set key to enter the setting modeSimply press the MEM button to check the temperature large and small valuesPress the MEM button for more than 2 seconds to clear all temperature and history recordsPress the CH/+ button to convert and display the data of different RF channelsLong press the CH/+ key to clear the data of the current display channel and enter RF receptionPress the CF/- button to switch C/FPress 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 the time mode. The switching sequence is: time ring timeIn the time mode, long press this key to enter the setting modeThe set item will flash at 1Hz frequencyThe setting sequence is: year , month , day , 12/24 hour, minute and exitPress mode/set to confirm the setting resultSimply 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 advance at the speed of 8 steps per secondSimply press the CF/- key, and the set value will be retreated one step. If you press it for more than 2 seconds, the set value will be retreated at the speed of 8 steps per secondWhen the key is not operated within 30 seconds, it will automatically exit the setting mode and the set value will be saved1.3 alarm settingPress the mode/set button to switch the display mode to the alarm modeLong press the mode/set key to enter the setting modeThe set item flashes at 1Hz frequencyThe setting sequence is: hour, minute, SNZ time (1-20 minutes, 5 minutes by default) and exit the settingSimply 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 advance at the speed of 8 steps per secondSimply press the CF/- key, and the set value will be retreated one step. If you press it for more than 2 seconds, the set value will be retreated at the speed of 8 steps per secondPress mode/set to confirm the setting resultWhen the key is not operated within 30 seconds, it will automatically exit the setting mode and the set value will be savedWhen Al time is displayed, press CH/+ key to switch alWhen the alarm is ringing, press snooze/backlight to delay the alarm, and press other keys to exit the alarm1.4 temperature alarm settingLong press the C/F key to display that the of bathtub temperature alarm is off, and then press the C/F key to display that the bathtub temperature alarm is on. Then press the mode/set key, press the C/F key respectively, and press the CH key to set the required bathtub temperature alarm. If it is higher than this temperature, it will alarm. Then press the mode/set key, press the C/F key respectively, and press the CH key to set the required bathtub temperature alarm. If it is lower than this temperature, it will alarm. Press the mode/set key again to display that the indoor temperature alarm is off. Press the C/F key to display on, and the indoor temperature alarm is on. Then press the mode/set key, press the C/F key respectively, and press the CH key to set the required indoor temperature alarm. If it is higher than this temperature, it will alarm. Then press the mode/set key, press the C/F key respectively, and press the CH key to set the required indoor temperature alarm. If it is lower than this temperature, it will alarm.Package List1 x Wireless Receiver (Without Battery)1 x Swimming Pool Thermometer (Without Battery)1 x Manual1Floating 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. 2Multi 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. 3Stable Performance: It can receive three 433MHz channels and the water temperature at up to three positions, which is practical and professional. 4Convenient Operation: With clear LCD display, the temperature data is clear at a glance. The receiver panel is equipped with main keys for easy use. 5Widely 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.