The Nice/Linear eMerge e3-Series (Essential, Essential Plus and Elite) provides the next level of control technologies featuring a one-hardware design that offers faster, easier set-up that is extraordinarily easy to scale, from 4 doors to 200 doors. Taking our industry-leading scalability that outperforms the competition a step further, we offer at the touch of a button, the ability to easily upgrade the system with our exclusive patented Nice/Linear License-to-Go™cards. All this adds up to the lowest total cost of ownership from reduced installation and off-site programming costs as well as license key-based scalability enabling you to meet evolving customer and advanced functionality needs.