Baby alarm E-202, which detects a baby's movements, comes with a 200mAh replacement battery in addition to the main unit, allowing for long-term use. Purchased in June 2025. Used a few times. - Brand: BabySmile - Model Name: E-202 - Battery Capacity: 200mAh - How to Use: Simply attach to the diaper - Sensor Function: Detects baby's movements [BabyTech Awards 2023 Winner] Awarded the grand prize in the "BabyTech Awards 2023," a contest that recognizes excellent IT products, services, and childcare appliances. [Kids Design Award 2024 Winner] A product developed to prepare for risks during a baby's sleep, reflecting the opinions of many doctors and nurses. [Illnesses and Accidents During Baby's Sleep] The built-in high-performance sensor detects the baby's small body movements. If there is no movement for about 20 seconds, an alarm will sound.