Louroe VERIFACT� 540

Louroe - Wall Mount Speaker Phones,Omni-Directional Electret Condenser Microphone, Used in Conjunction with Other Manufacturer's Audio Recieving Devices Such As: DVR’s, IP Network cameras (that accept audio), PC Soundcards Video Encoders (that accept audio), 12 VDC, Full Duplex Communication/Electronic Noise Cancellation, Frequency Response: 40 Hz - 15 kHz.