Our visual timer adheres to any magnetic surface, can be hung on a wall or used on a tabletop by flipping out the handy stand. Program from 1 minute to 24 hours. Counts down until the yellow, then the red light glows and the alarm sounds. Supports visual-only timing when you adjust the volume or turn off the sound completely. Plastic. Requires 4 AA batteries (not included) and 3 LR44 button-cell batteries (included). 12 x 18.8 cm high.