ADVISIN intercom AD-4A, Audio door phone, Four bus wires two cores in the house

ADVISIN intercom AD-4A, Audio door phone, Four bus wires two cores in the house

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

The ADVISIN intercom AD-4A features an alloy steel housing surface, waterproof metal buttons, a high-strength internal computer and modern use technology.

The ADVISIN intercom AD-4A features an alloy steel housing surface, waterproof metal buttons, a high-strength internal computer and modern use technology.

The AD-4A intercom system is designed with a very cool dual casing. So choose materials that not only have a pleasant microclimate, but are more durable and good to use. 48 hours of push-button testing, can be used for a long period of time. ADVISIN intercom AD-4A

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The ready guarantees a rugged design to use, in any climate, great operating reliability and durability, in addition to the waterproof metal buttons throughout the operation, the tester has proven that it can withstand a large number of entry conditions positively without problems.

Adopt push buttons, the service life is up to five times more than the ordinary button, the use of the number can reach a large number of uses without encountering crises or problems in operation.

ADVISION intercom AD-4A , the two-way intercom system between outdoor unit and indoor phone, provides high technology, great sound and operation.

 ADVISIN AD-4A , Using the device in four apartments directly and with high technology provided by the company ADVISION.

The AD-4A intercom features a durable metal housing, and the microcontroller is also used on a variety of different chassis floors.

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Exquisite and outstanding device functions, two-way dialogue, extension lock, password lock, card lock function. Circuit using SMT production process, more stable performance.

ADVISIN intercom AD-4A Anti-whistle intercom features, voice clarity, and the use of 2W high fidelity speakers. Door phone waterproof and dustproof design, suitable for a variety of harsh environments, adopting Blu-ray technology, can clearly be used at night, luminous buttons.

The device features a power supply with a wonderful lock function during use, to ensure normal remote unlocking.