25A/5500W Highest Output Power : POWR3 has the highest output power to make your high-powered devices smart, or as a single room-meter to measure power consumption Measuring Power Consumption : Keep track of active power, current and voltage of your appliances on App Overload protection : Once an abnormality was detected, the power will be cut off to avoid device damage and danger One-tap switch on/off remotely : POWR3 can cut off power wherever you are that can ensure the safety of your appliances and save on hidden electricity bills Voice Control : Compatible with Amazon Alexa, Google Assistant, SmartThings, and Alice. Just speak out your command, the smart device can do on/off as you say