Catchview CV-MP016 Smoke Detector type Surveillance Security Camera Microphone - Frequency 100-20KHz, Monitor area 10-100M2, Working voltage: 9-18VDC, Retail Box, 1 Year warranty
Catchview Outdoor Waterproof Microphone – Meta Housing , Built-in automatic gain control (AGC)Current: 20mA, Frequency 300-5 KHz Monitor area 50-100M2, Retail Box, 1 Year warranty
