Thank you for viewing! As you can see in the photos, there is a chip on the side. There are no issues with the functionality. ・I have confirmed that the infrared light emits from the camera with all buttons. ・Please note that I have not tested the remote with actual devices. ・Batteries are not included. ・I will disinfect the surface before shipping. ・This is a used item, so please understand that there may be signs of use, scratches, and minor dirt due to aging. Please purchase with this in mind. ※If there is a malfunction, I will offer a refund, so please contact me before leaving feedback. Thank you. Type...Remote control