The 5278 Series of proximity-activated switches from Dortronics Systems, Inc., of Sag Harbor, New York, help users maintain a sanitary environment. Optical infrared technology allows a wave of the hand to activate the economical solution for touchless ingress and egress. The switches are easy to install and integrate with virtually any card access system. Each switch has an illuminated LED ring that designates status and allows for clear visibility in low light. Available in single- and double-plate models, the switches are ideal for bathrooms, laboratories, hospitals, air locks, clean rooms, and drive-up windows.