> 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 a 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 the sensor Compatibility
> Works perfectly with Amazon Alexa, Google Assistant, IFTTT, Google Nest
Description
4CH Pro R2 is 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.
