1. High Sensitive Audio Pickup Device Tiny Spy Mini Mic Microphones for CCTV Home Surveillance Security Camera
2. HIFROM focus on provide high quality products at fair price: if you unsatisfy with our product, you can return to our USA warehouse, no risk.
1. Super high gain mini microphones capturing audio evidence for security camera system
2. Built in on board IC preamp, low noise, high gain and auto level adjustment
3. Pick up every sound with this super high gain micro audio system
4. Preamplifier used to increase a microphone's low output voltage to a stronger usable level
5. 1 ft cable attached with a RCA connector for audio and a power plug of 2.1mm center positive