Super Sensitive Listen Thru-wall Contact/probe Microphone

Super Sensitive Listen Thru-wall Contact/probe Microphone

Amplifier System without recording unit  

HIGHEST SENSITIVE

Highest Sensitive Listen Through Wall / Ceiling Contact & Probe Microphone Set

This Is A Private Listing Due To The Nature Of This Product.

You Can Purchase This Product And It Will Not Show Up On Your Feedback Profile.

Penetrable surfaces: Cement, Metal, Wood, Iron, Glass, Plastic, Brick

Working time: Continuos monitoring up to 24 hours

Headphone output: 3.5mm stereo @ 250mW Four audio channel: 1200Hz, 800Hz, 200Hz

Maximum gain amplification: 20000 times Battery type: 3.7v lithium battery Microphone

sensitivity: -70db Current consumption: 10mA.

Engelsk manual