Two Sounds: there are two sounds for different door; The "Ding-dong" sound for the front door button and the "Dong" sound for the rear or side door; Youll always know which entrance is being used with this wired doorbell chime. This feature requires separate front and rear wiring; if only one door is connected, only one sound will be heard
Dimensions: our wired doorbell chimes are of the right size to meet your needs; Internal chime core measures 7"L x 3.8"W x 1.7"H, and the Cover measures 7.2"L x 4.0"W x 2.0"H. Please measure your installation space before purchase to ensure proper fit
Compatibility: only 16 volt / 10 VA transformer (not included) apply for the regular doorbell chime, others may cause the doorbell not work properly, even damage the chime;Please confirm your transformer specifications before ordering
INSTALLATION: Includes mounting screws inside the cover; There are three ports in the base; Connect the "TRANS" to a 16V 10VA transformer, connect the "FRONT" TO front doorbell button and connect the "REAR" TO rear doorbell button
Wide Applicable: the wired doorbell chime can be suitable for most doorbell, and compatible with regular doorbell Botton; Designed with a clean, neutral appearance that blends easily with both modern and traditional home décor without drawing attention