Question: Codo when turning on the switch


1.Please open the battery cover, take out the battery and then insert batteries again according to the polarities (+/-) indicated the label in Battery case.


2.Take out battery and put them into other device (for example: flashlight) to see if the battery is low power or no power. If so please  exchange new batteries or charged batteries.


If all above actions have been done but it still does not work, please call our service hot line number.

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