Focus security professional home safety equipment of burglar alarm fire alarm systems. 
Wireless rolling door sensor Meian tech focus security system manufactured. Door sensor is installed on shop rolling shutter door and when the door is opened, it triggers alarm. Alarm will be sent to app, SMS. Sound light alarm will be triggerd to scare theft. Video alarm will be sent at the same time when security camera is linked. 
Shop professional security system for home and business safety. 
Vedard Security Alarm Provides free technical support for installing and using security alarm systems.