Doorphone kit

1-call intercom kit, Analog 4+N.

Includes:

• Boutonniere Stadio doorman with a dial key.
• CE610 built-in box.
• Tekna T-500 intercom with electronic sound.
• TF-104 power supply.
• Accepts up to 3 internal devices on the same call
• To be used with 12Vd.c locks.