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Sonoff 4CHR3 User Manual

Sonoff 4CHR3
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10
user is encouraged to try to correct the interference by one or more of the following
measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
TX Frequency
WiFi: 2412-2472MHz
RX Frequency
WiFi: 2412-2472MHz SRD: 433.92MHz
Output Powe
15.55dBm, 16.3dBm (802.11g),
17.16dBm (802.11g),
17.38dBm (802.11n20)
Warranty Conditions
A new product purchased in the Alza.cz sales network is guaranteed for 2 years. If you
need repair or other services during the warranty period, contact the product seller
directly, you must provide the original proof of purchase with the date of purchase.
The following are considered to be a conflict with the warranty conditions, for
which the claimed claim may not be recognized:
Using the product for any purpose other than that for which the product is intended
or failing to follow the instructions for maintenance, operation and service of the
product.
Damage to the product by a natural disaster, the intervention of an unauthorized
person or mechanically through the fault of the buyer (e.g. during transport, cleaning
by inappropriate means, etc.).
Natural wear and aging of consumables or components during use (such as
batteries, etc.).
Exposure to adverse external influences, such as sunlight and other radiation or
electromagnetic fields, fluid intrusion, object intrusion, mains overvoltage,
electrostatic discharge voltage (including lightning), faulty supply or input voltage and
inappropriate polarity of this voltage, chemical processes such as used power
supplies, etc.
If anyone has made modifications, modifications, alterations to the design or
adaptation to change or extend the functions of the product compared to the
purchased design or use of non-original components.

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Sonoff 4CHR3 Specifications

General IconGeneral
TypeSmart switch
Product colorWhite
Radio frequency- MHz
Built-in displayNo
Housing materialPolycarbonate (PC)
Connectivity technologyWireless
Works with Amazon AlexaYes
Operating temperature (T-T)-10 - 40 °C
AC voltage range100 - 240 V
AC input frequency50 - 60 Hz
Weight and Dimensions IconWeight and Dimensions
Depth34 mm
Width90 mm
Height145 mm

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