Vizor Electronics P. Ltd supplies Four Channel One Way Audio Switcher with Remote Control. Vizor Electronics P. Ltd offers various types of CCTV cameras, digital video recorder, video door phones, speed dome cameras, and home security system etc. Four Channel-One Way Audio Switcher with Remote Control is available with dwell time setting up to 99 Sec. Four-Channel One Way Audio Switcher with Remote Control comes with bye pass auto freeze facility.