The Nutone Jefferson Doorbell Chime Wallclock is a wired door chime with a rectangular shape, suitable for homes in the United States. It features a melody/tune and is hardwired for power source, making it a durable and reliable option for those looking to repair or replace their existing doorbell system. With its classic design and quality construction from the renowned brand NuTone, this doorbell chime wallclock is a timeless addition to any home's entrance.