Product Specifications: This product features a capacitive super-cardioid pointing microphone that efficiently reduces background noise for clear audio. It has an ultra-low noise function and comes with an original super shock absorption structure for smooth and stable operation. A special feature of this product is its Low Cut Function that trims off low-frequency sounds. The set is furnished with a windproof cotton and wool material for extra protection. It also has a 1/4 screw located at the bottom of a cold shoe. The device lights up a green signal for normal working status and a red signal for low power status, indicating that the battery needs immediate replacement. Product Specifications: Monomer: Back-pole electret Directivity: Super cardioid Maximum SPL: 120dB Frequency response range: 7016000HZ Harmonic distortion THD: 1% Output impedance: 2.230%k Dynamic range: 110 dB Sensitivity: -28dB3 dB / -38dB3 dB Signal to noise ratio: 58 dB Battery life: 200h Voltage: DC3V (AAA 1.5 V x 2) Product weight: 114g Product size: 210 x 62 x 80MM The package includes 1 Comica CVM-V30 PRO.