Main Features:<br />  Low self-noise and low-cut filter.<br />  Super anti-interference.<br />  Cold-shoe design with 1/4 thread at the bottom.<br />  Shielding effectively electromagnetic interference.<br />  Shake-proof design・ largely reduces noise.<br />  Small and light・ easy to install.<br />  Apply for most DSLR cameras.<br />  2pcs AAA batteries.<br /><br /><br />Specification:<br />Frequency: 70 - 16000Hz<br />Sensitivity: -28dB / -38dB<br />Output Impedance: 2200 ohms<br />SNR: More than 58dB<br />Voltage: DC 3V<br />Using Time: 200 hours<br /><br /><br />Package weight: 0.414 kg<br />Product Size(L x W x H): 25.50 x 15.00 x 9.50 cm / 10.04 x 5.91 x 3.74 inches<br />Package Size(L x W x H): 15.00 x 9.00 x 25.00 cm / 5.91 x 3.54 x 9.84 inches<br />Package Contents: 1 x Commlite CVM V30 Microphone・ 1 x Wind Muff・ 2 x AAA Battery・ 1 x English User Manual