4 standard lamps with E27 base. Works with Philips Hue and compatible with Amazon Alexa, Apple HomeKit and Google Assistant. Controllable via Bluetooth and matching bridge. This light is dimmable. Gives a natural white light of 2700 Kelvin. Create your own personal atmosphere or mood with your lighting - from a cosy ambience to the right light for a wide range of activities. Imagine that with one click all the lights go on. Your living room turns into a cinema with a tap of your finger, you wake up to a gentle sunrise every morning or your light greets you when you come home.