Description: Rotary Knob Design: Rotate the alarm clock to set time, digits synchronizes to reverse as the timer reverses. The timer stays bright for 5s and then dark out, and it will blackout 10s after pausing, power saving. LED Screen: Equipped with a clear LED screen, the white bold number makes it is easy to read. Non ticking timer enables you focused on things without distraction, and utter crisp buzz at the set time, the alarm volume: 60-80dB. Magnetic Mounting: With a built in magnetic iron sheet, the timer can be sticked to any metallic surfaces such as a refrigerator. It also can be free standing on desk with bracket. Application: This digital timer is suitable for cooking, yoga, massage, fitness, classroom, meeting and other activities, you can have a better regular life. Easy to Carry: Small in size, 11x3.6cm/4.41x1.42inch, only weighs 82g, easy for carrying out, such as fitness and sports. The high quality shell makes it durable to use. Specification: Material: Plastic, Electronic components Weight: 82g Function: timing, countdown Battery: 1 Piece AAA Battery (Not included) Battery Life: 30 days Sound Volume: 60-80dB Features: LED Screen, Magnetic, Rotary Knob, with Bracket Size Chart: 112x36mm/4.41x1.42inch Package Includes: 1 Piece Digital Timer 1 Piece Bracket Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!