CCTV Mic Audio Monitor Kit Hd-Pk-5

Audio Pickup Pre-amp Microphone Device Kit For Home Security Camera System Sound Voice Monitor HD-PK-5 sensitivity low noise mini shape sound audio monitor,low power dissipation & long distanceSound pickup use the high fidelity and low noise process chipLow noise, high fidelity, wide operating voltage, low power dissipation and long transmission distanceSuper high sensitive mini microphone