Do not look at the laser transmitting objective lens ⑥ .
Do not measure eyes of others.
It is forbidden to detach this product yourself.
It should be kept out of reach of the children.
Do not drop, disassemble, modify or repair the product by yourself to avoid damage to
the product. lf there is any abnormality or problem, please contact us. Please use and
store the product within the operating temperature range (-10℃~50℃).
Do not use the product in dusty areas to avoid failures.
Do not keep the product under the sun or at high and low temperatures for a long time.
Do not use or store the product in a magnetic or electromagnetic radiation environ-
ment. If the product is not used for a long time, please remove the battery and keep it in
a dry place.
Do not intentionally get wet or immerse the product in water, although it is waterproof.
If there is moisture around the keys, please clean them before operating.
Please make sure the battery cover is tightly closed when using.
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