CCTV Internal Covert Microphone with Adjustable Gain Control & Built in PreAmp This Mic will require 12v power connected to work Features Power Pass through (Power In + out) i.e. Can be powered from the existing power supply from any nearby (non poe) 12v camera 1. Connecting the existing power supply into the Mic Power input 2. Connect the power output into the nearby camera Miniature Mic with adjustable gaib control, Ideal add-on to your existing or new CCTV System. Simply plug into your DVR, NVR or IP Camera Audio In Connection, connect a 12v Dc Power supply. No Need to run a separate power supply as this microphone has power input + a power output so you can just use the power supply from a nearby (non poe) 12v camera. Indoor use for Covert surveillance Miniature design Adjustable Gain Control (sensitivity) Low noise High Fidelity Great for security monitoring Connection Range up to 30 Metres away. Audio Output: RCA Female Electrical current : 20mA Work Voltage: DC12V Frequency: 100-100 KHZ Can be installated in any discreet location such as soffit, roofspace, ceilings, walls, in suspended ceilings, cashier/till, desk at your business, table. behind sofa, etc Use our Professional Microphone Connection KIT to connect this microphone to a DVR, NVR or IP Camera (with audio out)
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