GU10 Zigbee/Wifi Led Light Bulb RGB CW WW Spotlights Led Bulbs Smart Led Lamp Work With Alexa Echo Hub Google Yandex Smartthings

GU10 Wifi bulb : No hub required GU10 Zigbee bulb : for ewelink Zigbee 3.0 hub/ ewelink gateway required,not for tuya zigbee hub Zigbee Hub As Control Central: Zigbee Gateway Hub is Required for Zigbee bulb, performing as the center bridge for all zigbee device with extremely stable signal and a really good necessity for whole-house intelligence. How To use this smart bulb ? 1.Please use the wifi smart bulb via ewelink app ,required 2.4ghz wifi network .,no hub required. Can links with alexa or alice or smarthings or google assistant voice control. 2.Please use zigbee smart bulb for ewelink zigbee gateway or those third part voice assistant with zigbee hub built-in such as alex echo ,yandex alice hub ,smartthing bridge . Current version zigbee bulb do not work for tuya nor smart life .please buyer notice this before purchase . Base: GU10 Protocol :eWelink App: eWelink App Wireless type: Zigbee 3.0 / WiFi Rated power: 5W Voltage: AC 85-265V 50/60Hz Or AC 100-240V 50/60Hz Color : RGB+CW+WW Dimmable:Yes System Supported:IOS/Android Luminous Flux:350lm Service life: ≥ 30000H Question: 1.Q:Is a hub required to connect the downlight? A:The eWelink Zigbee version requires the use of a Zigbee 3.0 Gateway connection.Please use it with related zigbee hub; 2.Q:Does it work with Alexa /Google Home? A:Yes,it is also compatible with Alexa and Yandex Alice ,iKa for easy voice control. 3.Q:If the light has been powered off by the wall switch,will it retain its settings when power back on? A:Yes,the light will keep the setting as before for the memory function. 4.Q:Can this be used manually(without wifi) with a dimmer switch? A:Yes,When there is no Internet connection, the APP(eWelink) can control the light bulb through the bluetooth signal. 4.Q:Group control function ? A:Yes,you can control the bulb via  groups,it also have other modes on app ;