S J Security Systems Pvt. Ltd. Manufactures Anti-Vandal Video Door Phone. S J Security Systems Pvt. Ltd. Is engaged in manufacturing hi-tech security solutions like hidden cameras, lenses, switchers, connectors, cables and other products. S J Security Systems Pvt. Ltd. Offered Anti-vandal Video Door Phone is a sturdy designed device and is easy to install. It is equipped with 1+n-technology.
