This is a used Panasonic VL-V564 exterior door station. All functions, such as the call button, LED light, audio, and video transmission to the main unit, work without any problems. Condition: The camera lens has yellowed due to long-term outdoor use, and the image is blurry and not clear. There are no other operational defects. This item is offered at a low price to reflect its condition. Please understand that we do not accept claims or returns. Please leave feedback after receiving the item.