SMD INC would like to introduce you Sigma Sentinel's "State of the Art" Digital Technology which allows for 99% reliability with no interference from other equipment in your facility. This technology eliminates false alarms, provides resident identification as a standard option, and protects your community from possible elopement. Sigma Sentinel provides more programmable features than any system in the industry which creates a much safer environment for the residents while tremendously reducing the facilities liability risk.