Ledvance - E27 Wifi Filament - Smart & WifiClassic bulb shape with filament-style with WiFi technology. Product features: Controllable via LEDVANCE SMART+ WiFi App (with minimum Android 4.4 or iOS 9.0). Controllable via Google Assistant and Amazon Alexa possible. Network protocol: WiFi. Dimmable. Lifetime: up to 15,000 h. Product benefits: Wireless control via app. Easy to install and use. Contains no mercury. Areas of application: General illumination. Residential interiors. Professional (hotels, bars, boutiques etc.). Outdoor applications only in suitable luminaires.