Price not negotiable. Baby Smile E-201 Infant Movement Sensor Baby Alarm General Medical Device Brand: Baby Smile [Power Type]: Battery-powered (3 AA alkaline batteries) Batteries not included. [Age Range]: Newborn to 24 months [Sensor Sensitivity]: High sensitivity Purchase Date: February 2024 (Rakuten) Usage Period: 6 months I purchased this here. The previous owner used it for 2 months, so the total usage period is about 1 year. There are no noticeable scratches, but there are minor scratches and yellowing on the cord due to use. Operation confirmed. Comes with strap, box, and instruction manual, but the outer box is slightly torn. Please understand that this is a used item.