Video Amplifier is a one-channel surveillance amplifier. Because it can increase the CCTV video transmission range of an analog CCTV security camera. So, This amplifier has one (1) channel BNC video input. Because it has also one channel video output. and it works with NTSC and PAL format analog cameras. because The AMP-1001 has sharpness and brightness adjustment knobs. So, this feature allows it to work perfectly with your DVR.
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