| Shipping Method | Delivery Time | Shipping Cost |
|---|---|---|
| United States Priority Line | 10~20 business days | $5.19 |
| Singapore Registered Air Mail | 10~25 business days | $5.86 |
| Switzerland Registered Air Mail | 12~40 business days | $6.87 |
| Netherland Registered Air Mail | 18~30 business days | $11.00 |
| DHL | 3~9 business days | $15.00 |
Sonoff 4CH Pro R2 Support 433Mhz RF receiver. Users need to buy an extra RF remote controller to control the product.
Sonoff 4CH Pro R2 is a 4 gang WiFi switch. It supports switching among 3 working modes: interlock/self-locking/inching mode. Meanwhile, 4CH Pro R2 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 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.
| General |
Brand Name: Sonoff Model Number: Sonoff 4CH Pro R2 Gang: 4 Max Current: 10A/gang Max Power: 2200W/gang Wireless Frequency: WiFi 2.4GHz |
| Details |
Wireless Standard: 802.11 b/g/n & 433MHz Security Mechanism: WPA-PSK/WPA2-PSK Enclosure Material: Fire-retardant ABS V0 Voltage Range: 90-250V AC(50/60Hz) / 5-24V DC Recommended Operating Temperature: 0 ºC-40 ºC, 32 °F-104 °F Operating Humidity: 5%-90%RH, Non-condensing Dimension:145 x 90 x 40mm Features: Supports 4 Devices Works, Adjustable Delay Time, 3 Working Modes |
1 X Sonoff 4CH Pro R2 Wifi Smart Switch
1 X User Manual
Package Weight: 0.25kg (0.55lb.)
Package Size: 20cm x 20cm x 10cm
Turn electrical devices on/off from anywhere
Free iOS and Android mobile App eWeLink
Turn on/off by 433MHz RF Remote indoors
Control each gang separately
Switch among interlock/self-locking/inching modes
Turn on devices for 0.25-4s/1-16s in Inching mode
Great for industrial control
Real-time device status provided to App
Set scheduled/countdown timers to turn on/off at specified time
Control your smart home together with your family
Turn on/off a gang of devices with one tap
Triggered on/off by temp, hum or other environmental conditions from sensor
Works perfectly with Amazon Alexa, Google Assistant, IFTTT, Google Nest
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