Intersteel DIGITAL DOOR VIEWER 2.0 Gebrauchsanleitung Seite 9

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Note:
1. First read this manual before using the product.
2. Do not remove the camera from the main unit.
3. Take care when working.
4. We recommend making a copy of the SD card frequently.
5. Do NOT use chemical products such as alcohol or benzene thinner
to clean the product.
6. Change the batteries soon after the light indicating the battery
charge is low lights up.