Sonoff 4CH Pro User Manual

4.2 Now eWeLink only support 2.4G wifi communication protocol, 5G-
WiFi-router is not supported
5. Next, the device will be registered by eWelink and add it to your account
，it takes 1-3 minutes.
6. Name the device to complete.
7. Maybe the device is “Offline” on eWeLink, for the device needs 1 minute
to connect to your router and server. When the wifi LED is on, the device
is “Online”.
3. Working Mode Settings
You can set the switch among 3 working modes: inching/interlock/self-
locking mode.
1. In self-locking mode, you can turn on/off the 4 connected devices
independently. For example, if you turn on CH1, connected device keeps
on. If you turn off CH2, connected device keeps off.

Sonoff 4CH Pro Specifications

General

Channels	4
Wi-Fi Standard	802.11 b/g/n
Max Current	10A per channel
Max Power	2200W per channel
Operating Temperature	-10°C to 40°C
Operating Humidity	5%-90% RH, non-condensing
Material	PC V0
Certification	CE, FCC, RoHS
Voltage Range	90-250V AC
Dimensions	145 x 90 x 40 mm