> Omni-directional condenser microphone, high fidelity;
> 30KV Air contact ESD, built-in Lightning Protection, power supply polarity reversal protection and electrostatic protection;
> Pinhole design, hidden installation; match with cameras or storage devices which have audio function
 
Scope                                                                    5-40m2
Sensitivity                                                           -40dB(-45~-20dB adjustable)
Frequency response                                       20Hz～20kHz
Directional characteristic                              Omni-directional
SNR                                                                        70dB(1m 40dB sound source SPL)
Dynamic range                                                  104dB(1KHz at Max dB SPL)
Max. sustainable sound pressure              120dB SPL(1KHz, THD 1%)
Output impedance                                          600Ω(non-equilibrium)
Output signal amplitude                               2.5Vpp/-25dB
Working voltage                                               DC 12V(9~15V)
Working current                                               60mA(50~100mA)
Working temperature                                    -30℃～+70℃(-22℉~+158℉)
Color                                                                     White
Outer shell                                                          PC
Dimension                                                          63mmx30mmx22mm(2.48”x1.18”x0.87”)
Weight                                                                 34g(0.07lb)
Carried standard                                              CE/FCC