The DELTACO smart 5.5W 400lm ST64 LED bulb for an E27 socket is a smart lighting solution for creating your desired easily controlled, energy-efficient home. This dimmable white light bulb can be easily managed with the official DELTACO app directly from your smartphone. The app installation is fast and smooth for Android and iOS. Adjust the colour temperature from cold to warm white and transform the room to suit your needs best. You can even set up a timer on the app to program the light individually or group them by room and set them up to go on and off whenever you need.