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12v Voiceactivated Delay Switch Sound Detection Relay Module Sound Sensor Module

12v Voiceactivated Delay Switch Sound Detection Relay Module Sound Sensor Module

$72.33
  • Condition: New
  • Ships from: Flag Pond, US
  • Seller: phraepkhum_0 (99.8% positive)
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About this item

This module is triggered by the sound signal. 1, with other various sensors plus relay module, you can do a variety of delay switches, directly with AC 220V products;. 3, with a large current regulator tube to provide sufficient power;.

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