1) Intercom with the indoor unit, and indoor unit can unlock door2) Press the room number on the outdoor unit to call the indoor unit, easy to operate Components:1) Straight-way outdoor unit2) Straight-way indoor unit3) Power
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Company Details
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1) Intercom with the indoor unit, and indoor unit can unlock door2) Press the room number on the outdoor unit to call the indoor unit, easy to operate Components:1) Straight-way outdoor unit2) Straight-way indoor unit3) Power