CamVtech USA (5pack) High Sensitive Audio Pickup Device External Amplified Tiny Spy Microphone for CCTV Security Camera

الوصف

Audio evidence as important as capturing video evidence, preamp microphone is a perfect addition to any video security camera system. This high gain mini preamp and microphone is the best for CCTV professionals, with Preamplifier IC built on board, it increase a microphone's low output voltage to a stronger, more usable level, it features low noise, high gain and auto level adjustment on-board preamp circuit. This mini-size microphone is only 5mm in diameter, easily hidden. Introductions: 1. Power In: 2.1mm Female 2. Power Out: 2.1mm Male 3. Range: 150 Square meters 4. Audio Output: RCA Female 5. Sensitivity : 200mA/ubar 6. Work Current : 5 mA-60mA 7. Work Voltage: 6-14V 9. Length: 42cm / 16.53";