Voice Control Bulb- Fitop alexa bulb e27 is compatible with Amazon Alexa (Echo/Echo Dot/Echo Flex etc.), Google Home and Siri (iOS 12 or later). Thus, the Led Smart Bulb can be controlled by voice commands, including switch, color adjustment and scene transformation. No hub required. 16 million colors & 8 Scenes- Color changing bring your smart home to life and there are different presets to choose from (reading, relax time, party). You can also set multiple schedules. The alexa lamp turns on and off automatically after the set time. Brightness & Change color temperature- The color temperature of the alexa light bulbs can be changed between 2200-6500 Kelvin and the brightness between 1%-100%. From warm white to cool white light (daylight white) for a cozy and safe home. APP Remote Control- Easy to control your smart alexa lamps with the free "Fitop" app with your smartphone or tablet via 2G/3G/4G/Wi-Fi networks everywhere. WiFi light bulb connection only support under 2.4GHz Wifi. Energy Saving & Silent: E27 Led alexa light bulbs uses advanced LED technology with 9W 1000LM, which is equivalent to 90W incandescent bulb. It saves up to 90% energy. With the latest lighting technology, there are no noises during use.