Usage Tips:Visual Countdown Timer with Traffic Light: Traffic Light timer with 200 Minute Long Countdown. Green light stays on during 90% of the task time. Yellow light blinks for the final 30 seconds (10% remaining). Red light sound signals time's 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 for time, 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 3+). Automatically saves previous settings (countdown duration, alert tone) for quick reuse without reprogramming Time Management Tool: Replacing abstract numbers with traffic light color blocks, it helps children to establish time rules through the game mechanism of "Sprint on Green slow down on Yellow Brake on Red". Become a standard teaching aid for home and school. Whether you are a parent, teacher, professional, student or child, the Teacher's Essential Toddler Visual Timer helps foster independence and productivity Color: As shown Material: plastic Package Contents: 1 x timer for kids Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.