Building Block Timer, Dedicated Manager For Children's Learning, Timed Reminder Self-discipline Alarm Timer Features: Alarm setting: Reasonably arrange learning and cultivate a sense of. Small and portable: It's really small and portable enough to carry wherever you go Skin friendly materials are and safe: materials are reassuring, safe to use, and more reassuring Convenient replacement and long-lasting battery life: Button battery, small body, large capacity, long-lasting battery life for 6-12 months Sleep mode: the alarm clock rings, briefly press any key to enter sleep mode. The alarm will sound repeatedly 5 minutes, and long press any key to sleep mode and turn off the alarm LCD large screen display: multifunctional data interface with clear and convenient data reading. Countdown/countdown mode: Countdown/countdown mode to meet the needs of different timing scenarios Product details: Product Name: Building Block Timer Product weight: 55g (including battery) Product specification: 50x50x55mm Product material: ABS/silicone Battery model: CR2032 (button battery) Package includes: 1xblock timer