Fangrui Product Details Visual Countdown Timer With Traffic Light: Traffic Light Timer With 200 Minute Long Countdown. Green Light Stays On During Of The Task Time. Yellow Light Blinks For The Final ( Remaining). Red Light Sound Signals Times Up. Helps Kids Visually Understand Time Without Number Reading Skills Visual And Audible Alerts Traffic Light Time: Features A One-touch Start/stop Button, Lcd Display, And Dedicated Settings , Alerts, And Reset. Adjustable Volume With 4 Alert Options (gentle Beep, Chime, Buzzer, Melody). Suitable For Classrooms, Kitchens, Quiet Spaces, And Activities Like Cooking, Fitness, Or Time Management Safe Charging Long-lasting Use: Usb-c Rechargeable Design With 36-hour Runtime On A Single Charge (4.5 Hours Charging Time). No Removable Batteries, Eliminating Choking Hazards. Red Charging Indicator Shows Status, Ideal For Both Cordless Portability And Stationary Use Child Safety Mode Memory Function: Child Lock Disables Buttons To Prevent Unintended Adjustments (note: Recommended For Ages