Omni Directional, Monitor Range 10–100sq.m Size 103mm*50mm, Weight 80g, White Case

*******Parameter******* Monitoring distance                         3–5 m transmiting distance(shield cable)  3km Frequency Response                    20Hz ~ 20kHz Sensitivity                                   –40dB SNR                                           80dB(1m/40dB)                                                     50dB(10m/40dB)1KHz at 1 Pa Polar Pattern                               unidirectional    Dynamic Range                            100dB(1KHz at Max dB SPL) Maximum Level Input                    120dB SPL (1KHz,THD 1%) Impedance                                   600ohm (imbalance) Signal Output Extent                     2.5Vpp/-25db Microphone                                  high-grade unidirectional  electret condenser mic Special Circuit                              DSP de-noise, AGC circuit Protect Circuit                              Over-loading protection, Lightning proof Audio Preamp                               Build-in Output connector                  Power+, Audio    Cable                                           3 × 0.5mm 2 RVVP cable Voltage                                        DC 12V (9 ~12V)         Current                                        20 mA Temperature                                  -25°C ~ 70°C Color                                           white Standard                                      CE,FCC Rohs