Overview: SONOFF POWR3 is a high-power smart switch, which not only makes your device smarter, but also saves energy. The load current is 25A and the power is up to 5500W. You can use the eWelink APP or simply send voice commands to Amazon Alexa or Google Home Assistant. Features: High-power Smart Switch: The highest output power of 25A/5500W makes your high-power equipment smarter, or act as a smart meter for a single room. Simple and Intuitive: The electrical appliances are connected to POWR3, you can know the opened device anytime and anywhere, which can intuitively convey the power you use. Voice Control: Use the eWelink APP or simply giving the voice commands to Amazon Alexa or Google Home Assistant to turn on/off devices anytime and anywhere with your smartphone. Overload Protection: Protect your electricity safety at any time. Once an abnormality is detected, the power supply will be cut off to avoid equipment damage and danger. Energy Saving: POWR3 supports Alexa smart energy, and you can view the energy consumption of the whole or a single device in the Alexa Energy Dashboard. Specifications: Product Type: WIFI Smart Switch with Power Monitoring Brand: SONOFF Model: SONOFF POWR3 Material: PC V0 Color: White Max. Load: 25A/5500W Input: 100-240V AC Output: 100-240V AC WIFI: IEEE 802.11b/g/n2.4GHz Working Temperature: -10-40 Product Size: 16.2*12.2*4.55cm/6.38*4.80*1.79in Package Size: 16.6*12.5*5cm/6.54*4.92*1.97in Package Weight: 530g/18.70oz Packing List: 1* SONOFF POWR3 Smart Switch 1* User Manual