The product is not sufficiently sensitive with respect to detection of carbon monoxide. The product does not comply with the relevant European standard EN 50291-1.

The smoke detector is not sufficiently sensitive and may not detect a fire. The product does not comply with the relevant European standard EN 14604.

The alarm signal in case of a fire is triggered too late and at an inadequate volume.

The detector is not sufficiently sensitive. The product does not comply with the relevant European standard EN 14604.

The product is not sufficiently sensitive with respect to the detection of carbon monoxide. The product does not comply with the relevant European standard EN 50291.

The alarm does not work quickly enough in the presence of carbon monoxide. The product does not comply with the relevant European standard EN 50291-1.