Atticus Electronics Wired Door Bell Deluxe Contractor Kit, 2 Notes 85dB, Includes One Brushed-Nickel Lighted and One Non-Lit Push Button and One UL Listed Transformer (Input 120VAC, Output 16VAC 10VA)

Deluxe wired doorbell contractor kit which includes a white deluxe door chime cover (183.0mm(7.204")x102.0mm(4.016")x51.0mm(2.008")), two-tune beautiful echoed chime (ding and ding-dong) at 85dB, two wired push buttons (one brushed-nickel lighted button and one non-lit button for two doors), screws and a UL listed transformer (Input 120V, Output 16VAC 10VA). Can replace old door bells easily, many instruction videos online