Mini Hidden CCTV Audio IP Microphones(CM501C) 

Mini Hidden CCTV Audio IP Microphones(CM501C) Product Overview   Product Description Mini Hidden CCTV Audio IP Microphones for Surveillance System with High Definition  (CM501C)   Features: 1. Hidden installation 2. High sensitivity and high-fidelity 3. Clear voice, low noise, fashionable appearance, suit for various occasions.     4. Interface DC+RCA      Technical specifications: Model CM501C CM501B CM501A CM501F CM501D CM501G CM501E CM502D…