Further Detail The VELUX DML Blackout Blind is an Electric Powered blind, an ideal blind for blocking out the sunlight completely 24/7, providing you with complete darkness. Perfect for installing in bedrooms and home cinemas. This VELUX Blackout blind is energy efficient too as it has a reflective alumninium coating on the rear end that reflects heat from the sun in the summer whilst retaining heat in the winter. It has a moder design and can be fully integrated into your Roof Window, and is easy to install. High quality, it is the best on the market for blackout blinds. Avalaible in a variety of colours ranging from white to pink. Available in a wide range of sizes. This blackout blind is ideal for pine windows as it comes with aluminium side channels. Comes with a VELUX 3 year guarantee.