Features: 1、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 compatible with the final 30 seconds (10/ remaining). Red light sound signals time’s up. Helps kids visually understand time without number reading skills 2、Visual and Audible Alerts Traffic Light Time: One-touch start/stop, clear LCD screen with individual controls compatible with time, bell, custom set time and reset button. Side dial adjusts volume from silent mode to 103 dB alert, you have the flexibility to adjust the volume you want 4 alert tones (soft beep, bell, buzzer, melody) Can be used in classrooms, kitchens and sensory friendly spaces. Ideal compatible with cooking, housework, fitness, gaming, yoga, classrooms, meetings and other events Visual and Audible Alerts Traffic Light Time: Features a one-touch start/stop button, LCD display, and dedicated settings compatible with time, alerts, and reset. Adjustable volume with 4 alert options (gentle beep, chime, buzzer, melody). Suitable compatible with classrooms, kitchens, quiet spaces, and activities like cooking, fitness, or time management 3、Type C Charging / 36 Hour Runtime: 4.5 hour charge delivers 1.5 days of continuous use (at max volume). Red charging indicator, goes out when fully charged. Cordless portability or plugged in stability ideal compatible with travel use . No battery compartment design eliminates choking hazards 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 compatible with both cordless portability and stationary use 4、Child Lock / Smart Memory Function: This visual timer automatically remembers your previous settings (countdown time, ringtone), saving you from repetitive setups. Enjoy use with instant reactivation of your favorite presets.