SPY Franzis Microphone Kitfrom £17.99 up to £23.78 Compare prices4→Always listening! With this Franzis Build Your Own Spy Microphone Kit, you can easily build a powerful listening device that is perfect for animal voices and quiet noises. The manual clearly guides yo more→u through the assembly. No previous experience is required. Ideally suited for all hobby investigators and tinkerers interested in technology. Construction is completed with no soldering.
