SadoTech 2nd Generation Doorbell Ringtones Updated January 25, 2024 17:35 There are 52 different tunes for the SadoTech 2nd Generation Doorbells. You may download the file below: SadoTech 2nd Generation Doorbell Ringtones (Starpoint Model LCBase, LR, LRB, Crosspoint Model ECBase, ER, ERB).rar 6 MB Download