The Lux Long Ring Timer, model 2428, is a tactile timer for individuals who are blind or visually impaired. It times periods from 1 to 60 minutes. The rotary center knob has raised lines each minute and a raised print number and line at each 5 minute interval going clockwise. The timer has a spring wound movement in a high impact plastic case. OPTIONS: Antimicrobial (white, almond, black, and green only). WEIGHT: 6.4 ounces. COLOR: White, almond, hunter green, cobalt blue, slate blue, mauve, or black.