Polished black finish with electroplated chrome effect trim, 36 Polyphonic melodies to choose from. ..
Electro-mechanical classic “Ding Dong” sound. 1 million sets of auto-learning codes to avoid interfe..
ABS Casing,. Can be installed on ceiling or wall. Instant door chime alert on presence detection. PI..
Polished White Finish, 16 Polyphonic melodies to choose from, MP3 Downloadable via SD Card Slot. 1 m..