S J Security Systems Pvt. Ltd. Manufactures Micro Controlled Matrix Switchers. Micro controlled Matrix Switchers offers Signal or Data transmission up to 1 Km. It is highly cost effective and easy to install product. Master unit comes with a cordless remote. Micro controlled Matrix Switchers is professional CCTV equipment, which gives freedom to control a fixed number of cameras from four different locations. These controls are fully independent of each other, hence giving a four fold return. Each control can have its own sequence and dwell time to get best results. Double digit, double display on each master unit enables to see camera number, being displayed on the monitor and time in countdown mode. Time is programmable from 1 to 99 sec. Different time for different cameras can be programmed. The upper limit [UL] and lower limit [LL] can be separately programmed so as to hide the unwanted areas. S J Security Systems Pvt. Ltd. Micro controlled Matrix Switchers are standard equipment for black and white as well as color CCD Cameras.