Directional Microphone with viewer,amplifier, in order to listen conversations descreetly from a distance. The directional microphone has a parabola,a digital recorder of 12 seconds and a device that diminish the negative effects of eventual mechanical vibrations. Included there are a monocular viewer 10X and an auricular hearphone with volume control. Added to the viewer and the digital recorder,these devices make this one an excellent product.