Professional and reliable the subzero szw c40 lavalier camera microphone system is ideal for interviews presenting and countless other filming applications. A dependable wireless mic set with industry standard specs for professional projects. The system offers a long distance range making it a great solution for film makers recording on the fly. Dual antennas for signal diversity. The subzero szw c40 lavalier microphone system benefits from true diversity. Always selecting the strongest signal possible this system automatically switches between antennas for improved audio quality and reduced interference. This uhf system comprises of a clip on body pack with a high quality clip on lavalier microphone. Also quick and easy to use with simple controls and fast ir syncing. You can connect your system and adjust volume with ease. Never be caught short on location! The szw c40 also offers up to up to 10 hours of battery life. This system also includes aa batteries and camera connection cables for operation straight out of the box.