Mingke 2wire apartment Audio Doorbell Intercom System Outdoor Unit Color Wire Origin Place Indoor Function1

Product Description

138 non-visual building intercom system is one of our audio intercom doorbell products. The visitor calls the resident through the outdoor station, and the resident's indoor telephone rings. Residents can then decide to answer or not to answer according to their choices. A non-visual outdoor station is used at the door of each household, and an indoor telephone is installed in each household. this system is an intelligently programmed non-visual building intercom system, the audio circuits are completely isolated and do not interfere with each other, and the user line is short-circuited. So it will not affect the whole system work. The maximum capacity of the digital outdoor station is 1000 indoor telephones, and the room number can be coded arbitrarily by the residents. The outdoor station can be intercom or unlocked, and the indoor telephone standby has low power consumption, saving electricity and money. The non-visual outdoor station can perform password unlocking and key unlocking. In addition, it also has voice prompts, short-circuit protection, and fault self-checking functions.It is a great access control systems audio door phone and it is a great video door phone product.

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