Great for audio detection, the Q-See QSPMIC Powered Microphone is compatible with any surveillance camera for easy manageability. A supplied 60-foot cable featuring RCA connectors allows you to extend it to greater lengths, thus covering a wider distance. The Q-See QSPMIC Powered Microphone has a 20 to 30 feet audio range, providing you ease-of-use and clear sound recognition. This high-powered microphone is the missing link you need for your security system. Pick up your Q-See QSPMIC Powered Microphone today!