MPE-86 Infrared Touchless Door Release Panel w/ Power SupplySurface mount stainless steel emergency exit button with NO NC contacts, 12 24V DC relay, vandal resistant design, reliable for access control and building security systems. KEY SPEC. Function Access Control Trigger IR External Door Exit Signal Back up: Manual Override Button IR Sensing Distance 1~15cm, Trimpot Adjustable. Door Release Duration 1~20sec, Trimpot Adjustable. ELETRONIC SPEC. Output Contact N. O. COM N. C. Dry Contact Relay Contact Rating