No instruction manual or outer box, everything in the images is included. Image 4: There are some slight scratches on the green painted part. Requires 3 AA batteries (not included in this listing. Please prepare separately). There is a manual on the web, so please refer to it. Operation confirmed. I tried the operation test in the manual and confirmed that the warning sound played. Please understand that there may be minor scratches that do not appear in the images. Please check the condition of the product in the images and understand that it is a used item. ▪️Instant purchase is welcome ▪️Shipping will be by anonymous delivery via Rakuraku Mercari or Yuuyu Mercari. It will be wrapped in waterproof vinyl for packaging. Recycled paper bags may be used for packaging materials. Thank you for your cooperation in saving on packaging costs. ▪️Please refrain from price reductions * We are very sorry, but we will not reply to or delete comments about price reductions without a specified amount. #BodyMovementSensor #Infant #Baby #SafetyGoods #BabyAlarm