Sengled smart light bulbs that Compatible with Alexa, Google Assistant and IFTTT makes you control your smart lights via voice commands, which include turn on/off, adjust brightness and scenes. Only 2.4GHz WiFi supported. With Sengled Home App, you can turn on/off the Alexa enabled smart WiFi light bulbs whether you are at home or away. Group control function allows you to control more than one smart LED light bulb at the same time for scene setting. Never come home to a dark house - by using light schedules on the 'Sengled Home' app and be greeted with warm light. The timer function enables wifi smart light bulb power on and off automatically. Smart WiFi bulb only supports WiFi 2.4 GHz wireless network, not compatible with 5GHz, dual band router should broadcast on 2.4GHz frequency band if not connected. Three steps to pair up with the app via WiFi easily. 8W 800lm smart WiFi LED light bulb with E26 base, which is equivalent to 60W traditional incandescent bulbs. Sengled LED bulb saves up to 80% energy compared with ordinary bulb. Long life span with 25,000 working hours. The light brightness can be fixed percentages from 1% - 100% output, you can set many different scenarios as you like.