Features:Wirelessly control your lights or devices through voice or intelligent phone and for Alexa or Google assistant.Control your lights, ceiling fans and other equipment wherever you are.Easy to install and use, saving more power.With timing function, the device can be automatically turned on/off at the time you book.You can track device status in real time through the APP.You can control multiple devices with one mobile phone, or you can control one device with multiple mobile phones to share with your family.With the function of metering electric quantity.Specifications:Material: ABSColor: whiteInput voltage: 100-240V AC 50/60HzMax. load power: 2300WWiFi standard: 2.4GHz-2.4835GHz 802.11b/g/nPower: < 20dBmPackage size: about 46 * 46 * 18mm / 1.8 * 1.8 * 0.7inPackage weight: about 60gPacking List:1 * WiFi Switch Module