Product use performance description: 1-Food temperature measurement range: -20--105 degrees . 2-Product shell temperature resistance: 0-300 degrees. 3-Products selected 5.1BLE low-power Bluetooth master control, compatible with BLE4.2, transmission distance without obstruction more than 30 meters - more than 50 meters, through a load-bearing wall is greater than 10 meters, all-metal confined space is closed more than 10 meters, the transmission distance deviation of different ambient temperatures is not greater than 20%. 4-Mobile phone can monitor the grilling process of six probes at the same time.Multiple operation modes: recipe/target temperature/estimated cooking time. 5- Stainless steel structure.usb charging, because the metal structure can not be put into the microwave oven. 6- 20 minutes fast charging can work for more than 36 hours, full takes about 20 minutes, full of green light on the base, long time unused probe, because the battery low voltage protection after the battery protection IC open-circuit state to ensure that the battery is not charged for more than 3 years will not have battery problems. VERY IMPORTANT: 1.The probe must be paired with the Repeater FIRST. 2.The repeater and probe must be within 20ft. (The repeater must be close to the probe to convert the probe signal into a relay signal.) 3.For a heavily shielded oven, the repeater should be placed as close to the oven as possible. 4.Check the charging of the repeater & probe. 5.For Android, turn on GPS and Bluetooth.For Apple, only turn on Bluetooth. We have tested 90% of the products before delivery, and we will sell them only to ensure that they can be used normally.Therefore, please feel free to communicate with the seller if you have any questions, which may be caused by improper operation. Package : 1 X thermometer, 1 X USB-c cable charge 1X user manual, 1X case ot the water thermometer Precautions: 1.Do not use a microwave oven. 2.Insert the probe at a depth close to the probe for safety. 3. Do not bake the probe empty

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