Sonoff 4CH

Overview

Sonoff 4CH is an ESP8285 WiFi module based 4 channel (4-way) WiFi wireless switch. Sonoff 4CH supports to connect and control 4 home appliances, which can be turned on/off separately by the buttons or iOS and Android APP EweLink.Owning a Sonoff 4CH means you have 4 Sonoff basic WiFi switches integrate together.

Sonoff 4CH belongs to Sonoff family, definitely, it bears all the functions basic Sonoff has. In EweLink, you can remote turn on/off from anywhere at any time, set single/repeat/countdown timing schedules to turn on/off at a specified time, share to others so that they can control together.

Sonoff 4CH is hacker-friendly! You can flash external firmware!

Go shopping Sonoff 4CH(SKU:IM160913003)

Features

• Support independently turn on/off 4 home appliances
• Support to control home appliances by local toggle buttons or APP
• Support tracking device status and timely remote control through APP
• Support countdown timing and schedule timing
• Support one-key sharing device to other user

Electrical Characteristics

Voltage range: 90-250v AC(50/60Hz) Max current: 10A Max Wattage: 2200 watts Humidity: 5%-95% Wireless Frequency: 2.4Ghz Working Temp: ﹣20℃-75℃ Max soldering temperature: 260℃

WIFI Characteristics

• 802.11 b/g/n

• Built-in Tensilica L106 ultra-low power consumption 32-bit micro-MCU, dominant frequency support 80 MHz and 160 MHz, support RTOS

• Built-in TCP/IP protocol stack

• Built-in TR switch, balun, LNA, power amplifier and matching network

• Built-in PLL, voltage regulator and power supply management components, 802.11b mode +20 dBm output power

• A-MPDU&A-MSDU aggregation and 0.4μs guard interval

• WiFi @ 2.4 GHz, supports WPA / WPA2 safe mode

• Support cloud OTA upgrade

• Support STA/AP/STA + AP mode

• Standby power consumption is less than 1.0 mW (DTIM3)

• Operating temperature range: -40 ℃ - 125 ℃

• Other parameters are as follows

Category	Parameters	Description
Wireless Parameter	Wireless standard	802.11 b/g/n
	Frequency range	2.4GHz-2.5GHz (2400M-2483.5M)
Hardware Parameter	Data port	UART/I2C
		GPIO/PWM
	Operating voltage	3.0~3.6V(recommend 3.3V)
	Operating current	Average： 80mA
	Operating temperature	-40°~125°
	Storage temperature	Room temperature
	PCBA size	122.2*87.2*1.2mm
Software Parameter	Wireless network mode	station/softAP/SoftAP+station
	Security mechanism	WPA/WPA2
	Encryption type	WEP/TKIP/AES
	Firmware upgration	Local serial programming/Cloud Upgrade/Host download programming
	Software development	Support secondary development
	Network protocols	IPv4, TCP/UDP/HTTP/FTP
	User configuration	cloud server, Android/iOS APP

Specification

PCBA Size:122.2*87.2*1.2mm Product Size: (L)14.5*(W)9.5*(H)4cm

Useful Links

User Manual for ITEAD Smart Home Series

Wi-Fi Socket/Switch Fail to be Controlled Troubleshooting

Features wanted, bug report and discuss in Itead Smart Home Forum