Check the listing for details. Einstruction KGEN2EI CPS RF Response Remote Control Student Clicker. Condition: Used. Listed at 4.99 USD. Details:This item was tested and appears to function. We make no guarantee this item will work 100%.Will show signs of use including scuffs, scrapes or scratches.Does not include batteries.What you will need:Batteries: x2 AA---- Notes: These item(s) come from a smoke free home. What you see listed in the photo's is what's included. Unless otherwise stated. Please review all photo's in full and read the description in full before sending offers or purchasing. If you have questions, please contact us before purchase. Shipping: Item(s) will be shipped as soon as possible after receiving payment. Once tracking is uploaded. Your item(s) will be shipped during weekdays. At this time we ONLY ship within the United States. Returns: Used item(s) can be returned IF accepted as per listing. Item(s) must be sent back in the same condition as received.