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3. Symbols
4. Warnings and Instructions
Read this manual carefully before use.
The ambient temperature of this product is 10°C～ 40°C, the
optimal temperature is 25°C.
Do not use this product in an environment above 40°C or
below 10°C.
Do not place this product too close to a charged object to
avoid electric shock.
Do not use this product in an environment with relative
humidity greater than 85%.
Do not place this product too close to the electromagnetic
range (such as radio, mobile phone, etc.).
Do not expose this product to the sun or near the stove. Do
not touch water.
Do not drop this product, do not use it if it is damaged.
Hair on the forehead, sweat, hat or scarf will affect the
accuracy of the measurement data.
