Affordable, pocket-sized Cue™ Classroom Scheduler keeps track of your busy schedule for you! Features simple, two-step data entry process; over 50 pre-programmed everyday classroom activities, light and/or sound alarms for every event, digital clock and calendar. Holds 20 events at one time and programmed events will remain in the CUE if batteries are dead or replaced. Guide included. Requires 2 AAA batteries, not included. Measures 5 1/2" L x 3 1/2" H.