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Multi Channel Audio Surveillance



This kit covers wider range 0f wireless audio surveillance. With this kit you can secretly listen to conversations in many locations to more than 300 meters away depending on obstacles.
This audio spy kit contains 4 audio transmitters and multichannel receiver: 

  • The wireless transmitters are small profile units with a built-in microphone and antenna enabling them to be easily hidden anywhere under tables, chairs, desks, etc.With the super sensibility of the microphone, this bug pen transmitter can catch any whisper in a room and transmit them to the receiver in a range of up to 300 m.
  • The multi-channel receiver has an earphone output and an extra output for recording to MP3, MP4, or cassette tape. Use receiver to listen to the audio or to record it for later review.


  • 427 MHz Frequency
  • Transmission Range: 300+ meters (depending on obstacles)
  • It works even through walls
  • Voice sensibility: up to 10 m, any whisper in a room.
  • Autonomy with CR2450 battery: 20 hours
  • High stability, crystal quartz controlled
  • Battery operated

 Package Contents: 

  • 4x Audio Transmitters
  • Multi-channel Audio Receiver
  • User Manual - English
  • Power Adapter (100-240V, 50/60hz)
  • Headphones