Brushed Stainless Steel (Matt). The Videx 8901/S is a self contained vandal resistant keypad with 12 blue backlit buttons, which is surface mounted and fitted with a rainshield. There are three relays and one code per relay can be programmed, with adjustable back EMF protection also on each relay. It is manufactured from grade 316 stainless steel and has a brushed matt finish. . Vandal resistant. Blue backlit buttons. 3 code / 3 relays. Code length 4-8 digits