DC 9?15V CCTV Microphone Flying Saucer Type Aluminium Alloy Sensitive for Home Security Camera

Feature: 1. Wide application ranges. Suitable for banks, schools, public security organs (5 ? 100square meters adjustable). 2. High sensitivity, low noise, very low power consumption, power supply polarity protection circuit 3. Signal transmission distance is approx. 1000m/1093.6yd. Frequency response is 20Hz ? 20kHz. 4. The connection method is 3?wire system. Red is power positive pole, black is public GND, white is audio positive pole. 5. An electro?acoustic instrument that amplifies sound by receiving sound vibrations. Specification: Item Type: CCTV Microphone Material: Aluminium alloy Place of Use and Area: For banks, schools, public security organs (5 - 100square meters adjustable) Signal Transmission Distance: Approx. 1000m/1093.6yd Frequency Response: 20Hz - 20KHz Directional Property: OmnidirectionalConnection Mode: 3 Wire system (Red is connected to power positive pole, black is connected to public GND, white is connected to audio positive pole) Transmission Cable: RVVP3 x 1.5mm2. Package List: 1 x CCTV Microphone1 x English Manual