VELUX DSH C08 1025 Skylight Blind, Solar Powered Blackout for VELUX VS C08 Models - White Velux DSH C08 1025 White solar powered blackout skylight blinds are made to help you save the energy consumption, as they use only the power of the sun. You need only solar energy to control the light in room. Velux skylight blinds can block even very bright sunlight, making it perfect for rooms that that need little darkening, like bedrooms and TV/entertainment rooms. The brand new solar-powered design of Velux Solar Powered Blackout Skylight Blinds is operated by KLI keypad (which is included)