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    Terms and Conditions
    Shipping: 2 - 5 days (Includes processing)
    Assembly (if applicable): Additional 2 - 4 days

    Product Datasheet


    1 WFI Smart Switch with RF Control
    2 10A/2200W/Gang, 40A/8800W/Total
    3 AC: 100-240V 50/60Hz (DC: 9-23V)
    4 Material: PC V
    5 Dimensions: 145 x 90 x 34 mm
    6 WIFI Standard: IEEE82.11 b/g/n 2.4GHz (24M-2483.5M)
    7 Support Voice, APP and RF Control
    8 Remote ON/ OFF

    Sonoff 4CH Pro R3 is an ESP8285 WiFi module based 4 channel (4-way) WiFi wireless switch. It integrates with MCU ST32F030C6 and 433MHz receiver. Sonoff 4CH Pro supports to connect and control 4 home appliances, which can be separately turned on/off by app eWeLink and 433MHz remote.

    Users can switch among 3 modes: self-locking mode, inching mode and interlock mode. In self-locking mode, users can turn on/off the 4 connected devices independently. In inching mode, users can turn on connected devices for 1-16s (Sonoff 4CH Pro R3). In interlock mode, users can turn on 1 device every time, and turn off other devices at the same time.

    The enclosure supports din-rail mount! A DIN rail is a metal rail of a standard type widely used for mounting circuit breakers and industrial control equipment inside equipment racks.
    Sonoff 4CH Pro is hacker-friendly! You can flash external firmware!

    - Support independently turn on/off 4 home appliances
    - Support to turn on/off home appliances by local toggle buttons
    - Support tracking device status and remote control through APP
    - Support control by 433MHz remote indoor
    - Support switching among self-locking mode, inching mode and interlock mode
    - Support countdown timer and scheduled timer
    - Support share control
    - Electrical Characteristics
    - Voltage range: 100-240v AC(50/60Hz) /9-24v DC
    - Max current: 10A/channel 40A/Total
    - Max Power: 2200W/channel
    - Wireless Frequency: 2.4Ghz
    - Operating - Temperature(recommended): 0ºC-40ºC(32°F-104°F)
    - Operating Humidity: 5%-90%RH, Non-condensing
    - Max soldering temperature: 260 degrees

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