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Covert Smoke Alarm design Mic Pure Sound AGC Cov 80m2

£16.20 £13.50
In stock
Only 5 left

NV-YNCS-40 Smoke Alarm Shape Sound Monitor

  • Built-in Imported chips, high sensitivity, beauty voice
  • Integrated import front audio amplifier, microphone can drive directly Active speaker, DVR and recorder
  • The unique design of the "electronic noise dynamic closed loop suppression circuit" can eliminate "hiss" electronic noise, realize perfect radio
  • Using Dolby noise reduction technology, less noise
  • Using echo eliminate technology, effectively reduce the echo
  • Built in mini audio amplifier and noise reduction module 
  • Automatic gain control (AGC) circuit
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