I was especially worried about whether my newborn was breathing, and I bought this because the hospital where I gave birth used this product. I used it until my baby was 5 months old. It is in beautiful condition with no scratches or stains. Everything is included except the box. Operation has been confirmed. Retail price: 9800 yen Brand: BabySmile Color: White Product dimensions (length x width x height): 30 x 28 x 1.2 cm Item weight: 940 grams [High-performance sensor] The infant movement sensor detects the baby's movements. An alarm will sound if there is no movement for about 20 seconds. [Simple usage] Place the sensor panel under the baby bed mattress or futon, and turn it ON! It can be used with AA batteries, so it can be used anywhere. [Monitoring while sleeping] While the baby alarm is in use, a green light flashes in time with the baby's breathing, so you can visually confirm the baby's breathing. [Product Information] Infant movement sensor Baby Alarm E-201 General medical device certification number: 13B1X10068000203, JAN code: 4580211771853, JMDN code: JMDN70074000 BabySmile Baby Smile Baby Alarm E-201 Baby Sensor Infant Movement Sensor Baby Apnea Baby Supplies Alarm Monitoring Type: Baby monitor/sensor