The Saramonic SR-VM4 is a lightweight directional condenser microphone that provides audio with DSLR cameras and camcorders.The sr-vm4 allows you tu adjust level control(-10dB,0dB,+20dB)and low-cut filter(75Hz)to increase intelligibility of dialogue. The integrated 3.5mm cable connects the SR-VM4 to the audio input of camera. The shock mount system provides isolation from vibration and mechanical noise.