Description 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 Overview Sonoff 4CH Pro is 4 gangs WiFi switches. They support switching among 3 working modes: interlock/self-locking/inching mode, and both supports to set 1-16s delay in inching mode. 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 433.92MHz RF receiver module, making them possible to be controlled by RF Remote. The smart switches are 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 others, users can simply share the devices to other accounts and allow specified timers permissions. Users can even create some scenes or smart scenes to trigger ON/OFF the switch. Features Turn on/off 4 home appliances remotely Supports switching among inching/interlock/self-locking modes Device status’s synchronously display Scheduled/Countdown timers Share control Supports setting power on status 433MHz RF Remote control Works with Amazon Echo, Echo Dot, Amazon Tap Works with Google Home, Google Nest Works with IFTTT 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 & 433.92MHz Security Mechanism: WPA-PSK/WPA2-PSK Enclosure Material: Fire-retardant ABS V0 Gang: 4 Dimension:145*90*40 (mm) Operating Temperature(recommended): 0ºC-40ºC(32°F-104°F) Operating Humidity: 5%-90%RH, Non-condensing Note: The RF Remote is not included.
