Push to Exit Button,4.53''L x 1.57'' W Stainless Steel Door Bell Type Round Request to Exit Button for Door Access Control with LED Light NC COM and NO Output
Application: This door release exit button can be used for any access control application and is commonly used in offices, banks, gas stations, department stores and many more.
Mechanical Life: Undergoing 500,000 times continuous clicking test.
Note: Please confirm you or others know how to install it and check the size before buy this item.