Remote Control –Turn electronic devices on/off from anywhere Monitor Energy Usage –Keep track of live power, current and voltage of your appliances on App Historical Energy Consumption –100-day daily/monthly energy usage data and total electricity cost Overload Protection –Set power, current and voltage threshold values to let appliances auto-off Measure Power Usage for a Period –Measure your appliances’ power consumption for a specified time Sync Status–Real-time device status provided to App Timing Function –Supports 8 enabled scheduled/countdown timers Share Control –Invite your family to control your smart home together Scene–Turn on/off a gang of devices with one tap or triggered on/off by another smart device Smart Scene–Triggered on/off by temp, hum or other environmental conditions from a sensor APP Supported –Free iOS and Android eWeLink app Compatibility –Works perfectly with Amazon Alexa, Google Assistant, IFTTT, Google Nest Warranty & Free Technical support is for SONOFF OFFICIAL Store Buyers only