after 3 months 50% failure

after 3 months 50% failure

Elro RM144C / 4, Set of 4 certified smoke detector / fire alarm VdS and EN 14604 compliant (tool)
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Customer Review

3 months post buying function 2 of 4 smoke detector no longer be completely unmotivated alarm, although far and wide or similar no smoke, vapor, dust can be seen.

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