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Thank you very much for choosing this waterproof thermometer. It can be used in the temperature sensing of many types of liquids, wide temperature range making your temperature measurement so simple.

* Waterproof function

* Temperature unit ℃/℉ changeable

* Data-hold function

Wide Temperature Range: -50℃～+500℃ (-58℉～+932℉)

Power-supply: 1.5V (AAA) × 2 PCS

Button functions and operation

ON/OFF: Press the ON/OFF button to turn on the thermometer, press again to shut off it.

℃/℉: Press ℃/℉ button to change temperature unit between ℃ and ℉.

HOLD: Press HOLD button to hold the temperature value when measuring. Press again to start new measuring.