Thank you for viewing! - I have confirmed that the infrared light emits from all buttons using a camera. - Please note that I have not tested the actual operation with the device. - Batteries are not included. - Disassembly, internal cleaning, and maintenance have been performed. - The surface will be disinfected before shipping. - As this is a used item, there are signs of wear and tear, scratches, and minor stains due to age. Please understand this before purchasing. ※ If there is a malfunction, I will offer a refund, so please contact me before leaving feedback. Thank you. Type...Remote Control