Microfon audio cu preamplificator ln-sm04; pentru camere de supraveghere video, distanta de acoperire: 5-50 metri patrati; built-in ic audio professional amplifier; output level: 0-6v; output impedance: 600Ω; alimentare: dc6-12v; frequency response: 2.5db; micro-chip design, small noise, high-fidelity; material: abs; culoare alba; temperatura de functionare: -20°c la 50°c; greutate: 50g olishop.roa