The STI SS24A8EM-EN Emergency Button by Safety Technology International is a pneumatic push button designed primarily for security applications. It features a raised EMERGENCY label and operates without electricity, using an adjustable timer with a range of 2 to 60 seconds (±15%) and repeat accuracy of ±10%, suitable for opening or closing circuits with a timed delay before reset. This indoor-use device supports a switch rating of 10 amps resistive at 120-240 VAC and includes a 1 Form Z, 1 N.O., and 1 N.C. contact. It also includes a multicolor illumination bar compatible with 12-24VAC/VDC LEDs in red, green, and white, alongside a protective shield cover with horn, ideal for secure and reliable emergency signaling in indoor environments.