Plant humidity detecting alarm

Plant humidity detecting alarm

CN
  • CN 201,402,507 Y
  • Filed: 04/16/2009
  • Issued: 02/10/2010
  • Est. Priority Date: 04/16/2009
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of plant is visited wet alarm, and by shell, probe, collet, electronic circuit, hummer, battery constitute, and it is characterized in that electronic circuit is connected and composed by time switch network, voltage amplification network, electronic sound network.

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