1200-Wired-Underdome-Doorbell-Brass-Byron-1210-p-The-Byron-1200-Series-Wired-Underdome-Bell-is-made-from-durable-metal-&-is-suitable-for-wall-mounting-&-has-the-classic-lsquo-ding-dong-rsquo-sound-Can-be-connected-to-your-current-bell-push-The-classic-wired-door-chime-needs-to-be-installed-with-an-8-V-1-amp-transformer-NOT-supplied-You-can-use-your-current-bell-push-with-the-new-door-chime-so-you-will-not-have-to-replace-your-complete-doorbell-p-p-Comes-with-a-24-month-warran