Specification: Base interface: E27. Voltage: AC110V/AC220V 50/60Hz. Rated power: 9W. Brightness: 60W Equivalent. Luminous Flux:800lm. Color temperature: 2800-6200K+RGB. Compatibility: E27 standard light. Wireless type: Wi-Fi 2.4GHz. Material: PC + Aluminum. Dimension: D60.9*H116.9mm. Features: 1.Hands-free Voice Control:?Smart led light bulb is compatible with Amazon Alexa and Google Assistant for easy voice control. Just control it via your voice command to turn on/off or dim/brighten your light, even switch your light to specific color as you need. No hub required and easy to install. NOTE: WiFi smart led light bulb only supports 2.4 GHz Wi-Fi network. 2.Timing and Remote Control:? You can turn on/off the light as per yourself daily timetable, and you can control the smart bulbs anywhere you like via your Smart Life Tuya App. Don't worry whether you had turned off your lights or not, just pick up your phone and turn lights off or turn on them before you get home.(Compatible with Android & iOS). 3.Group Control & Control Together:?You can set many light bulbs as a group and control them in app, just take an action to control them. And also you can share it to your family members via 'smart life' app so that they can share the intelligent control at the same time 4.RGB+C+W LED Bulbs: White light warm light, light and dark adjustment, 16 million colors RGB full color adjustable,easily changed by your mood.You can smoothly adjust it from warm white to cool white and cold light to warm light from 2800k to 6200K, just choose the brightness as needed.Even intelligent scene linkage, preset scene one-click execution to meet your different demand. 5.Save Energy & Multipurpose: Ultra low power consumption and save over 60% energy compared with ordinary bulb.The bulb can be used in anywhere you need colorful light with smart control. Such as home, hotel, meeting room, restaurants, bar, cafe, holiday. Package included: 1*Smart LED Light Bulb. 1*User Manual ?