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12V Wired Doorbell Chime for Access Control System
- Switch is not included; A good replacement for the old and broken one.
- External wired doorbell for security access control connect to 12V power directly.
- External wired doorbell for access control system; Need to work with the access control system built-in bell function.
- The people from the outside press the doorbell button on the access control unit, this doorbell will sound “Ding-Dong” tone and notify those inside that there is someone wanting to come in.