jenix 12V DC 4 Wire Doorbell for Home Office Access Control Doorbell DC 12V Wired Doorbell Door Bell Chime

12V DC 4-Wire Doorbell is a compact wired doorbell chime designed for home, office and access control systems. Operating on 12V DC, it can be connected with doorbell buttons, access control keypads, RFID readers, biometric machines, video door phones and other compatible access-control devices. The simple 4-wire connection makes installation convenient for residential and commercial applications. Ideal for entrance doors, reception areas, offices, apartments, shops and controlled-access doors where a clear audible indication is required when a visitor presses the bell button.