The smart Edison light bulb in vintage design made of clear glass with filament LEDs can be controlled via Bluetooth either using the free app or the separately available remote control (EGLO 99099); The screw bulb makes use of the ZigBee standard which allows it to be controlled wirelessly via your WiFi-network or compatible vocal assistants, such as Alexa Should you already use a vocal assistant with an integrated bridge (for example Amazon Echo or Echo Plus), you can easily and conveniently interact with the intelligent E27 lamp by voice and switch the light on and off remotely, when you are not at home This filament LED light bulb emits pleasant light (6 watt, 700 lumen) and replaces the conventional 54 W light bulb; Dimensions: diameter: 6 cm/ 2.4 inches, length: 10.5 cm/ 4.1 inches