Save - by buying 2 sets of Sonoff S31
ETL certificated – Secure and guaranteed
APP Remote Control – Manage electronic devices from anywhere
Power Consumption Monitoring (S31 Only) – Keep track of real-time power, current and voltage of your appliances and reports on APP
Historical Power Consumption Record (S31 Only) – Store 100 days of electricity usage data and total electricity cost
Overload Protection (S31 Only) – Set threshold value including power, current and voltage to ensure devices work securely
Sync Status – Provide real-time device status to your smartphone
Voice Control – Works with Amazon Alexa and Google Assistant to start a voice-controlled home
Timing Function – Supports to set 8 scheduled/countdown timers for devices
Share Control – Share devices to control with your family together
Smart Scene – Simultaneously triggered on/off a crowd of devices via tapping once
Easy Installation – Plug and play
Compatibility – Works perfectly with IFTTT and Google Nest