This device detects a baby's movements during sleep and alerts you with an alarm if no movement is detected. I purchased it new three years ago and used it a few times. Operation has been confirmed (as of October 2025). There is one scratch on the surface, but I don't think it's very noticeable (see second photo). The instruction manual is included, but it's a little creased. Batteries are not included. The product box will be wrapped in a plastic bag for waterproofing, and then a shipping label will be attached. Thank you for your understanding.