Therefore, the first batch of sensors spread fairly smoothly and we noted no major problems with their operation, we decided to inform you that we are preparing for the next batch. Over the next two weeks we should start a collection for a series of 100 to 200 pieces of detectors (depending on your interests). The second series is likely to include special packaging (however, will continue to be necessary to assembly it yourself - it is still a "kit") and will allow the battery power. The price we will try to keep the same, or slightly higher level. Anyone who planning a group purchase, please contact me via PM.

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