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Wired Intercom for Household Use Non-Video +Doorbell 1 Bell to 3 Phone


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Intercom doorbell/not household color visual/cable household color visual/a pair of three
Model : 1763979355


Product model SY - 2103

Suitable for a family of three rooms upstairs or downstairs, visitor outside a doorbell, three indoor telephone rings at the same time, the telephone and visitor calls, gently press lock button, electric control lock automatically open, don't have to run to the door to open the door.

Functional features

Four wire connection, indoor machine and indoor machine can intercom.
Low with the function of the lock.
Low alloy separate-bodied air-conditioners have anti-oxidation and wear-resisting surface treatment, durable.
Low household name or number display, outdoor LED lights.
The high side tone circuit, low voice intercom is clear.
Low effective intercom distance 100 meters (4 x0. 3 mm cable).
Easy installation, the user can install itself.

Cable range:

Wire diameter 0.5 mm = distance of 150 meters

Wire diameter 0.75 mm = distance of 250 meters



The door machine appearance size: 157 x108x46mm
Embedded size: 149 x100x28mm

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