[ Wind Up/No Power Required ] This mechanical kitchen timer works through Wind Up, so No extra power required, which makes it energy efficient and environmentally friendly. The digital visual timer with the ability to have a countdown from up to 60 minutes. When time expires, It will ring for a few second and the blue disk disappears in counterclockwise direction. [ Easy to use ] The kitchen timer is a mechanical model, you need to turn clockwise to the 55 scale winding, such as direct timing without winding, the bell will not play a reminder. Cook timer witn loud and clear ring alert, is great for alerting you during your cooking, no more overcook in kitchen while watching TV at living room. [ Magnetic Backing ] This magnetic kitchen timer comes with strong magnet which allows you to easily fix it on most metal surfaces, Includes the refrigerator, dishwasher or whiteboard easily. Whether you're baking a cake in the oven or you want to set a timer for your child's reading time, this little timer comes in very handy. [ Magnetic Backing ] This magnetic kitchen timer comes with strong magnet which allows you to easily fix it on most metal surfaces, Includes the refrigerator, dishwasher or whiteboard easily. Whether you're baking a cake in the oven or you want to set a timer for your child's reading time, this little timer comes in very handy. [ Digital Kitchen Timer] Great for Cooking Teacher Classroom Meeting Kids children Office... This magnetic digital timer is durable enough to withstand most daily usage. it helps teachers to allocate students school time effectively;its also a great assistant for the management of work time at office;it assists parents to supervise the childrens time over study and games.