FEATURES EASY TO OPERATE - Just turn the knob to set the countdown time. Children and the elderly can use this kitchen timer. MAGNETIC NON-SLIP PADS - The cooking timer has 2 magnetic pads so you can attach it to your refrigerator, range hood or other ferrous metal surfaces. LARGE DISPLAY ENERGY EFFICIENT - While in operation, the timer will automatically reduce its brightness if nothing is done for 5 seconds.The large 3-inch display has constant bright digits and is designed to be read from a distance, even in a large conference room, classroom, or in a large kitchen or gym. Product Information Product Name: Rotary Timer Material: Plastic Product Size: 8.33*25.6mm Product Color: Black Packing list：Rotary timer *1 (without battery) Please notice: 1. Due to the long shipping time, the goods may be damaged during transportation, if the goods are damaged, please leave us a message through the official website immediately before posting a comment, I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. The color displayed by different monitors may vary.