Bosch twinguard - 2 In the Box

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2.0 IN THE BOX
Batteries (6 x 1,5 V AA Alkaline) are already included and can be
replaced as necessary.
Please check that all products are in the box and are undamaged.
Please mount only parts that are in immaculate condition.
Twinguard Smoke Alarm Mounting bracket 2 screws,
2 plugs