The two smart Edison light bulbs in antique vintage design made of amber-coloured glass with filament LEDs can be controlled via Bluetooth either using the free app or the included remote control; The screw bulbs make use of the ZigBee standard which allows them 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 lamps by voice and switch the light on and off remotely, when you are not at home These filament LED light bulbs emit pleasant warm white light (5.5 watt, 500 lumen, 2200 Kelvin) and replace the conventional 41 W light bulbs; The pleasant warm light colour is ideal in rooms where you relax, such as living rooms and bedrooms; Dimensions: diameter: 6.4 cm/ 2.5 inches, length: 14.2 cm/ 5.6 inches