S J Security Systems Pvt. Ltd. Manufactures Two Way Audio and Video Input Unit and Base. Two Way Audio and Video Input Unit and Base are suited for 1Pc-2-way audio-video unit with or without camera that helps in two-way communication. Two Way Audio and Video Input Unit and Base come with in built 12V DC supply for the camera from the base unit and speaker with volume control. The circular unit has 2.5 inches speaker with ABS plastic moulded cabinet.
