Sonoff 4CH Pro User Manual

We will introduce how to switch among the 3 modes below:
As you can see from the image, there are S5, S6, K6 and K5.
CAUTION: Please cut off the power supply before switching S5, S6, K5, K6.
Whether you use DC or AC input, make sure you have unplugged the power
plug every time!!! It’s very dangerous if you don’t cut off the power supply,
and the new settings cannot be activated.

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