Note: If you want to control the device by remote controller indoors, you need to buy an extra 433MHz RF remote controller.

Overview：
Sonoff 4CH Pro R3 ITEAD integrates with a 433MHz RF receiver module, making it possible for the switch to be controlled by RF Remote. It's a 4 channels universal WiFi wireless smart switch for your smart home system to remotely and automatically turn on/off home appliances and electronic devices by for Android/iOS App eWeLink or 433MHz RF Remote. It also supports timing turning on/off the appliances at a specified time, and share to others so that you can control your smart home together with your family. You can also voice control your home appliances by Amazon Alexa, and for Google Home/Nest, and enjoy intelligent life and make your home smarter.

Features:
*App Support: Free iOS and for Android mobile App eWeLink.
*Sync Status: Real-time device status provided to App.
*Remote ON/OFF: Turn 4 electrical devices on/off remotely from anywhere.
*Independent control: Control each gang separately in APP eWeLink.
*Remote Control: Supports controlled by 433MHz RF Remote Controller.
*3 Working Modes: Supports switching among inching/interlock/self-locking modes.
*Timing: Supports 8 enabled countdown/single/repeat timing tasks to turn on/off at specified time.
*DIN Rail Mounted: Great for industrial control.
*Voice Control: Compatible perfectly with Amazon Alexa, for Google Home, for Google Nest.
*Share Control: Control your smart home together with your family.

Specifications:
Power Supply: 90V~250V AC
Max. Current: 10A/gang, 16A/Total
Max. Power: 2200W/gang, 3500W/Total
Operating Temperature(recommended): 0C-40C
Operating Humidity: 5%-90%RH, Non-condensing
Transmission mode: Wi-Fi 2.4GHz communication
Wireless Standard: 802.11 b/g/n 433MHz
Security Mechanism: WPA-PSK/WPA2-PSK
Enclosure Material: Fire-retardant ABS V0
Gang: 4
Product Size: 145*90*34 (mm)

Package Information:
Package Size: Approx. 14.8*9.5*4.5cm/5.83*3.74*1.77in
Package Weight: Approx. 233g/8.22oz

Packing List:
1 * Sonoff 4CH Pro R3 ITEAD
1 * User Manual

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Thương hiệu: Sonoff

SONOFF 4CH R3/PRO R3 ITEAD RF 433MHz 4 Gang WiFI Switch 3 Working Modes Inching/Self-Locking/Interlock WiFi Smart Switch