I received this as a baby shower gift a year ago, but I never used it and it's been in storage. I opened it intending to use it, but I discarded some of the packaging materials. However, it is unused. ● Target age: 0 months to 12 months ● Suitable weight: 2kg to 10kg ● Size (approx. mm): [Sensor Panel] 280 x 300 x 12 [Strap] 400 [Control Unit] 70 x 70 x 35 ● Power supply: 3 AA alkaline batteries (sold separately) ● Battery life: 8 hours a day / approx. 1 month ● Product contents: Sensor panel, control unit, strap ● General name: Infant sensor baby alarm ● Sales name: Baby Alarm * Shipping will be after January 4th due to the New Year's holiday. Newborn baby supplies baby alarm Baby Smile body movement sensor Baby shower childbirth childcare