100sqm CCTV Microphone Mini Surveillance Voice Monitoring for Network DVR KIT
$18.99
- CCTV Microphone Mini Surveillance Voice Monitoring with 100sqm Monitoring scope for Network DVR KIT.
- Clear voice, Be widely used in charging system of Bank, customs and Luxury hotels.
- The pickup has built-in lightning protection and power polarity reversal protection
Voltage: linear power supply (transformer) dc 9-12 v
Electric current: twenty ma
Frequency range: 100-100 KHZ
Output impedance: 600 ohm non equilibrium
Connecting mode: red (power is) black (public) white (audio is)
Apply to Hikvision, dahua, hanbang and video recorder ect.
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