Mini Microphone Audio Pickup Security Device Use for CCTV Microphone with 20 Square Meter Range, Designed for CCTV camera, burglar alarm security system, and other security system, Widely used in the elevator, small rooms, shopping malls, and other audio monitoring places.

1:Plug and Play
2:High Sensitive
3:Great for elevator, small rooms, shopping malls, and other audio monitoring places.
4:Audio Monitor Range : 20 Square meters
5:Sensitivity : -60dB
6:Work current : 25 mA
7:Housing Material:PVC
8:Frequency Response:200Hz ~ 10KHz
9:Frequency: 200-6000HZ
10:Directional Property:Omnidirectional
11:Supply Voltage:DC9V-18V