For over 35 years, Essex Heavy Duty Keypads, Rugged Card Readers, Programmable Access Switches and Keyless Entry® Control Systems have become the choice of security professionals worldwide. Essex keypads and touch switches feature an advanced piezoelectric Billion Cycle Switch Technology making them unsurpassed in their ability to tolerate any environment. From residential to commercial to industrial applications, Essex offers a complete line of single and dual technology Access Control Readers, Systems and Accessories. View the product testing video to see the rugged design of products manufactured by Essex Electronics. Superior Quality, Professional Grade access control proudly designed and manufactured in the USA.