Broken switch/glass break emergency glass buttons, emergency exit door devices/green, red, white, yellow, optional

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Specifications:

• This is a brand new emergency door release glass break alarm button
• The Door Alarm Button is made of durable plastic shell and easy to install
• NO, NC, COM connection
• Override electrical locking/release devices
• Use a double pole switch
• This Door Release Alarm Button is the best protector in home, shop and other places
• Size: 86 x 86 x 55mm/3.39 x 3.39 x 2.17in(L x W x H)

Package Included:

• 1x switch