“What kind of batteries do these take and how long do they last?”

1-5 of 5 Answers

• The actual contact sensors as small and do not require batteries nor charging.

  Answered by CasualEditor 6 years ago

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• Cr123a

  Answered by JMELP 6 years ago

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• Special ring battery, last at least for an week... and still 69% after a lot of usage.

  Answered by OliLong 7 years ago

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• Already installed, they are rated for months

  Answered by Ryans347 7 years ago

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• 3v lithium , cr123

  Answered by Mattburn87 7 years ago

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