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ADVISIN intercom AD-12A, Audio door phone, 12 bus wire two cores in the house ADVISION intercom AD-12A , audio door phone, provides audio input systems for residential buildings,12 bus wire two cores in the house. The ADVISIN intercom AD-12A , features an alloy steel housing surface, waterproof metal buttons, a high-strength internal computer and modern [...]

ADVISIN intercom AD-16A, Audio door phone, 16 bus wire two cores in the house ADVISION intercom AD-16A , audio door phone, provides audio input systems for residential buildings,16 bus wire two cores in the house. The ADVISIN intercom AD-16A , features an alloy steel housing surface, waterproof metal buttons, a high-strength internal computer and modern [...]

ADVISION intercom AD-4A, the voice door phone, provides audio input systems for residential buildings. Four bus wires two cores in the house.

ADVISION Intercom AD-09IDP1, video door phone , is a very cool security system and one of the latest fashionable Intercom series, it is stylish, good looking and comfortable with one camera and one screen.