According to the flashlight on the voltage and battery requirements to choose, do not indiscriminate use, to prevent burning bad circuit boards. You can't use different models, different voltage batteries at the same time.
You should turn off the torch when the torch brightness changes significantly in using. To prevent the battery over discharge.
Lamp cup wall to keep clean, absolutely can not be wiped by hand or hard objects; clear Chen lens on the fingerprints, cotton swabs can be used to clean the lens cleaner.
Can not direct the torch light eyes, super bright glare, so as not to affect vision, especially children.
If you do not use the torch for a long time, remove the battery (one month or longer) to avoid chemical corrosion.

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