Sonoff 4ch DC 5VSmart Remote Control Wireless Switch with Shell Universal Module

Features:
*Supports WiFi network. Supports numerous WiFi smart switches on one smart phone.
*Supports status tracking: device status timely provided to the EWeLink.
*Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, etc.
*Supports max 8 enabled scheduled/countdown/loop timers for each device.
*Voice Control: Compatible perfectly with Amazon Alexa, for Google Home/Nest, IFTTT.