National Security offers residential and commercial security systems using hardwire and wireless equipment. Protection includes doors and windows, glass breakage and motion detection. Residential systems can add fire protection as well as carbon monoxide detection and water detection with optional shut-off. Systems can range from 1 to over 100 easily identified zones. Once installed, 24-hour system monitoring is available and most systems are interactive capable with remote operation and instant notifications of alarm signals using Alarm.com.