PBL-1-GR by Alarm Controls Inc. Emergency Exit Button Latching w/Guard Ring. Condition is New. Shipped with USPS Priority Mail. Brand new never used. Latching button with guard ring. 1 NC and 1 NO contacts button latches and has a guard ring to prevent accidental activation . RETAILS FOR ABOUT $225.00.

https://www.amazon.com/Alarm-Controls-PBL-1-4-L2-GR/dp/B001UKJOA6