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VTech IS7121-22 User Manual

VTech IS7121-22
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Getting started
11
Locating the doorbell
Avoid mounting it to where reections may be caused by sunlight, for example,
opposite to a white wall.
Two built-in infrared LEDs are for night vision. Make sure the surrounding light
source is sufcient for infrared operation.
Test at the front door to determine when the infrared LEDs turn on. When they are
in operation, they turn red.
Infrared LEDs

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VTech IS7121-22 Specifications

General IconGeneral
BrandVTech
ModelIS7121-22
CategoryCordless Telephone
LanguageEnglish

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