Countdown time up to 60  minutes, with the twist of a dial

Ideal for cooking/baking at home to keep track of time

Using method: Every time you want to set a countdown alerting time, wind the time knob clockwise a full round from zero to zero; then turn the knob counterclockwise back to wanted setting time and everything is set

Size: 60 x 60 x 35mm

Weight: about 70g