Fire Emergency Reset Switch Fire Alarm Switch Key Reset Button Access Control Manual Fire Alarm Act Green can be used as supporting access control systems, emergency safety doors and emergency by broken glass switches, which are widely used in access control systems; When an alarm occurs, break the glass and report to Switch state: normally open/normally closed Standard structure: fireproof shell, easy to install. Applicable types: safety doors, escape doors, safety systems Color: Green Material: Plastic Package Contents: 1 x Reset Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.