Ledvance LV485938 Smart+ Wifi Candle 40W Bulb RGBW E14 Pack Of 3 Areas of Application: General illumination Residential interiors Professional (hotels, bars, boutiques, etc.) Outdoor applications only in suitable luminaires Features: Wireless control via app Easy to install and use Contains no mercury Controllable via LEDVANCE SMART+ WiFi App (with minimum Android 4.4 or iOS 9.0) Controllable via Google Assistant and Amazon Alexa possible Adjustable light color via Tunable White: Warm White to Cool White (2,700 K 6,500 K) RGB color control, approx. 16 million color options adjustable Dimmable Lifetime: up to 20,000 h Network protocol: WiFi Amazon Alexa Enabled and Works with Google Assistant.