This upgraded version timer comes with a large On/Off switch. Long last for years! This electronic timer is recommended for food cooking, eggs boiling, kids time management, classroom study, excercise / workout timing, oven baking. You must want a reliable timer to know when to start or stop clearly. Here is the best-selling timer in 2024! This digital kitchen timer features Loud/Silent switch, On/Off switch, Larger Screen and Buttons with clear markings for ease of use. It can count both up & down. Instead of counting in your head, it is time to start your routine here! Dual channel timing T1, T2 two timers, can work at the same time Indoor temperature measurement monitors indoor temperature in real time to create a comfortable environment The Loud / Silent switch is a whole- surprise! Alarm buzzer will beep loudly in large spaces, allowing you to hear clearly in another room. Makes it a must-have kitchen timer for cooking safely! Besides, this digital stop watches for classroom has silent switch works perfectly for kids and teachers. Product name: Multi-function alarm clock dual channel timer Timing range: The longest H-M mode can be set to 99 hours and 59 minutes M-S mode can be set for up to 99 minutes and 59 seconds Battery: AAA*2(excluding battery) Temperature range: -19.9~70°C(-4~158°F) Accuracy: ±1℃ (±2°F) Size: 96x80x24MM Colour:White Material:ABS Package Contents: 1 x Timer 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.