Min. Order:
1 pc
Place of origin:
Italy
Price Condition:
FOB Italy
Supply Ability:
upon request
electronic signals the slight window pane vibrations caused by acoustic waves in the room (speech) . Laser beam bouncing off the target window is theferefore converted into electronic signals, then filtered, amplified and fed into a recording unit connected to its own amplifier with speaker / headphones. Use of sturdy tri-pods (provided) is required in order to enable proper operation and correct
[Related Keywords : laser microphone, laser audio surveillance, laser listening microphone]