Order before 7pm/8pm, shipped same day! Free shipping and returns. Bulb included: Ja Specifications: Extra functions:Dimmable, dimmer not included A super smart ceiling lamp, this Marti! With the smart ceiling lamp you can easily change the color temperature (Kelvin) from working light to cozy light. This means: from 1800 Kelvin (warm light) to 6500 Kelvin (white, functional light). It is also dimmable in light intensity (lumen). You can easily set different scenarios, timers and preferences with the Calex application. A super handy system! It has an integrated LED module with a light intensity of 1400 lumen, an average of 15,000 burning hours. This Marti has a diameter of 29 cm and a height of 9 cm. Fits perfectly as basic lighting in your hall, living room, office or kitchen! Turn your house into a smart home with this ceiling lamp. 29 cm x 9 cm