Sonoff 4CH Pro R2 are 4 gang WiFi switches. They support switching among 3 working modes: interlock/self-locking/inching mode. 4CH Pro R2 supports to set 1-16s. (4CH Pro just supports to set 0.25-4s). This feature allows you to let your switch turn on for a few seconds then goes off, which works like a pulse switch. They integrate with a 433MHz RF receiver module, making them possible to be controlled by RF Remote. The Sonoff 4CH Pro smart switch is DIN Rail mounted.
Users can remotely turn on/off the connected lights/appliances by iOS/Android App eWeLink or 433MHz RF Remote. They can create 8 enabled single/repeat/countdown timers to automatically turn on/off at the specified time. The timers can run themselves even when the network is unavailable. To let the devices be controlled by their family, users can simply share the devices with their accounts and allow specified timers permissions. They can even create some scenes or smart scenes to trigger ON/OFF the switch.

Features

Remote ON/OFF�Turn electrical devices on/off from anywhere
App Support �Free iOS and Android mobile App eWeLink
RF Remote control�Turn on/off by 433MHz RF Remote indoors
Independent control�Control each gang separately
3 Working Modes� Switch among interlock/self-locking/inching modes
Adjustable Delay Time� Turn on devices for 1-16s in Inching mode
DIN Rail Mounted� Great for industrial control
Sync Status�Real-time device status provided to App
Timing�Set scheduled/countdown timers to turn on/off at specified time
Share Control� Control your smart home together with your family
Scene�Turn on/off a gang of devices with one tap
Smart Scene�Triggered on/off by temp, hum or other environmental conditions from sensor
Compatibility �Works perfectly with Amazon Alexa, Google Assistant, IFTTT, Google Nest

Specifications:

Voltage Range: 90-250V AC(50/60Hz) / 5-24V DC
Max Current: 10A/gang
Max Power: 2200W/gang
Wireless Frequency: WiFi 2.4GHz
Wireless Standard: 802.11 b/g/n & 433MHz
Security Mechanism: WPA-PSK/WPA2-PSK
Enclosure Material: Fire-retardant ABS V0
Gang: 4
Dimension:145*90*40 (mm)
Operating Temperature(recommended): 0�C-40�C(32�F-104�F)
Operating Humidity: 5%-90%RH, Non-condensing
Certification: CE/FCC/RoHS (Download the Certificate and Reports)



Shop for more smart home switches here.

FAQ�s

• How do I get started?[click here]