Recently purchased, this item has only been used a few times. It functions correctly. Operation has been confirmed. Batteries are also included. Product Name: Baby Smile E-201 Infant Movement Sensor Baby Alarm Brand: Baby Smile ● Target Age: 0 months to 12 months ● Applicable 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: Approximately 1 month (8 hours/day) ● Product Contents: Sensor Panel, Control Unit, Strap ● General Name: Infant Sensor Baby Alarm ● Sales Name: Baby Alarm *Please understand that this is a used item, and only purchase if you are comfortable with this. Newborn Baby Goods Baby Alarm Baby Smile Movement Sensor Congratulations on Birth Childcare