Safety technology inc. UB-1-This momentary button helps eliminate having to stock dozens of push buttons, and wasting precious time and money tracks down just the right button for a customer. It is offering many options to provide just what a customer wants in one convenient package. Button is ready to be assembled out of box and is easily installed within minutes on the site.CLICK HERE FOR Safety technology-UB-1-specifications.pdf Offers over 300 different combinations. Momentary button offers many options to provide just what a customer wants in one convenient package. 100,000 operations. One year guarantee on electro mechanical and electronic components.