This Timer Aids The Development Of Transitional Skills By Providing A Warning Cue To Indicate The End Of An Activity Helping Students Predict And Prepare Can Be Set To Give Both An Auditory And Visual Cue To Indicate Time -- A Bonus For Students Who Have Deficits In Hearing Or VisionGreat For Home Or Class: Simple Timer With Three Colored Lights And An Optional Alarm With Visual And Auditory Cues For Timed Activities Multifunctional: Facilitate Independent Time Management Skills Use As A Hand-Washing Timer For Kids Or As A Countdown In Timeout And More Easy To Use: Easy To Operate With Just 2 Dials: Total Alarm Time And Warning Time Powered By 3 Aaa Batteries ( Not Included) Auditory & Visual Cues: Adjustable Volume And Visual Cues Ages 3+ Super Sensory Skills: Sensory Fidget Toys And Activities Not Only Encourage Children To Explore And Investigate They Also Help Develop Motor Skills And Even Build Nerve Connections In The Brain