No battery required: the principle of the short-timer mechanically magnetic is mechanical rotation, and the time scale is within 60 minutes. No battery is required, so it is environmentally friendly and energy efficient. Widely used: Perfect for various activities such as cooking, homework, BBQ, fitness, training, cooking, baking, sports, competitions and meetings. Premium Material: Made of high quality stainless steel with elegant shape, it is durable, sturdy, modern and elegant for a fashionable kitchen. Simple design: stainless steel dial, rotary knob, retro mechanical ticktack sound. With this simple kitchen timer, you can master cooking time on a special delicious food. Magnetic base: the magnetic kitchen timer has a magnetic base that can be easily installed on any iron surface. Looks like part of a fridge or oven.