Thank you for viewing. This item takes two AA batteries and two AAA batteries in the back. Functionality has not been confirmed. *Please note that this is a used item inspected by an amateur, so there may be oversights. Please consider this before purchasing. Please refrain from purchasing if you are sensitive to such issues. *Please understand that we do not accept claims or returns due to the customer's circumstances after the item arrives. Please examine the photos carefully and consider purchasing only if you understand the condition. *To prevent any trouble, please be sure to check the profile before purchasing.