Babysense Home Tested and working. Authentic product! *Box has some minor stains. The product includes the AA batteries. Please prepare some extra batteries just in case. Purchased in August 2023 for 28,050 yen. Used for about 3 months. Used under the baby bed mattress, so it's in clean condition with no noticeable stains ✨ Please check the photos for the product condition. Selling because it's no longer needed. Everything in the photos will be sent! Includes the main unit, instruction manual, and postcard with the serial number. Please understand that this is a used item, and purchase accordingly. Returns are not accepted. *Price is not negotiable.