TeckNet Particular Self-Powered Wireless Doorbell with Socket TeckNet Self-Powered Wireless Doorbell Pack makes it easy to replace your home's generic doorbell ring with a chime tune that better fits your individual style. Read more This plug through doorbell comes with an extra UK socket, allows you to still use the socket for other electrical products, which differs from standard doorbell. 400 Meter Operating Range Thanks to its industry-leading 1300-feet working range, you'll be sure never to miss a visitor's arrival no matter where you are. Choice of 32 Chimes and 5 Volume Levels This unit lets you choose the best way to be notified when someone is at your door. In addition to your choice of 32 selectable chime tunes.