UZIMO Enhanced Version Super Sensitive Listen Thru-Wall Contact/Probe Microphone Amplifier System 8541737392 audio (it has 3 sensitivities adjustable

(it has 3 sensitivities adjustable

balanced XLR output

Notice: please re-scan each time you move the Antenna

5 mm diameter x 7 mm thickness Will Fit Many Other Brands

Diameter is about 6mm

UZIMO Enhanced Version Super Sensitive Listen Thru-Wall Contact/Probe Microphone Amplifier System 8541737392 audio (it has 3 sensitivities adjustableUZIMO Enhanced Version Super Sensitive Listen Thru Wall Contact Probe Microphone Amplifier System Works on wooden walls, doors, windows, steel plates, etc Highly Sensitive, carefully adjust audio slowly, as not to cause discomfort to your ear buds Description: As simple and powerful as possible from a handheld listening device, this audio gadget can let you hear conversations through walls and other barriers. So how does it work Simple, you switch on