Specification: Item Type: Kitchen Timer Material: ABS Gross Weight: 79g / 2.8oz Product Size: Approx. 7.7 x 7.7 x 3cm / 3.0 x 3.0 x 1.2in Color: Black Batteries: 3 AAA batteries (not included) Timing Range: 00~99 minutes, 00~55 seconds Volume: Silent, 60~75dB low, 80~90dB loud Package List: 1 x Timer, 1 x Manual Features Automatic Off: The digital light of this timer will dim after 5 seconds and turn off after 5 seconds, which can prolong battery life. Continuous Light Function: With continuous bright function, it is convenient for long distance reading, and can also be used in large conference rooms, classrooms, large kitchens, and gyms. Magnetic Suction: With two magnets on the back, you can attach to whiteboards in classrooms, cookware, students' tablets, iron wall, refrigerators, gyms, or other steel-made places. Time Management: Helps students focus on time management for studying, showering, games, etc., helps teachers organize classes, mothers cook, bake, boil eggs, also help people with autism, ADHD ease transitions, encourage independence for all abilities Easy Operation: This countdown timer is easy to operate with one button operation, and can be easily used by grandma and 5 years old children.