Set it and go! This super simple timer offers unique visual and auditory indicators, including a warning alarm. Operates easily with just 2 dials: total alarm time and warning time. Total alarm time can be set from 5 minutes to 2 hours, in 5-minute increments. Counts down until the colored light glows, and the alarm sounds. Adjust volume or turn off sound for visual timing. Measures 3 1/4"L x 3 1/4"W x 4 3/4"H. Requires 3 AAA batteries, not included.