This CCTV security camera high gain mini preamp microphone is compatible with both residential and professional surveillance equipment. The high sensitivity detector makes this CCTV outdoor microphone perfect for recording even the quietest audible disturbance. The low noise, high fidelity tiny microphone has adjustable sensitivity to sound making is perfect for security cameras and an indispensable part of your home or commercial security system. Place the outdoor microphone on a terrace, patio, porch or hidden in an arbor, garage or any indoor room in your home for perfect audio recordings. The surveillance microphone works with your CCTV video to give you full sight and sound recordings that you can review with ease.Our CCTV microphone is the perfect audio pickup device making it ideal for security systems that combine video and audio monitoring. Because this mic is compatible with all existing systems, you can use our RCA microphone kit with your current system or a new installation. Made of the highest quality materials, this small mic is designed for hidden surveillance cameras, so you can install it in almost any location where it will be invisible to visitors. The clear audio recording from this CCTV mic does not produce any feedback or buzzing sounds, giving you only crisp, clear audio quality. This is the perfect audio microphone for security DVR and CCTV systems. The audio microphone easily connects to audio cables up to 500 feet long giving you plenty of length for an easy installation with no loss of quality. You can connect the audio cable 2 in 1 or 3 in 1 to your microphone generating the clearest sound with your system. You need to protect them from rain or snow and they work fine. Not include any power adapter, DVR, BNC cable and cameraPlug and Play Power supply: DC 6V 12V Work Current: 10mA Frequency response: 300 5500Hz Item model number: 008 / US