Output contact Divided into NO / NC / COM three contacts, the operation is very simple, this door touches the trigger switch to help you improve home security performance. Versatile -- Supports most scenarios in commercial establishments, offices, factories, residential areas, etc. Our touch sensor access control system switches are widely used in doors,doors and automatic controls. High Quality Material -- Flame-resistant PC material for the base. Exit Touch Exit Release Button Switch Made of Heavy Duty and Heavy Duty Acrylic Panel One hundred thousand aging tests are qualified. Be sure to use itsafely. Beautiful and practical -- Using two-color LED lights, advanced fashion technology, smooth glass surface, high-end beauty design. features: 1. The acrylic panel is durable and very sensitive. 2. Flame resistant PC material for the base, safe for daily use. 3. Easy to use, press to close, release to reset. 4. One hundred thousand aging tests are qualified. 5. Widely used in doors, exits, gates and automatic control.