VELUX 21-in x 26.88-in Solar-powered Venting Deck Mount Skylight with Laminated Low-e Argon Glass offers a wiring-free installation and qualifies for a 30% federal tax credit. Additionally, it comes with a 10-year "No Leak" warranty when installed with the appropriate flashing kit and can withstand a range of roof pitches. This skylight boasts Clean, Quiet, and Safe LowE3 laminated glass with a Neat glass coating for easy maintenance, noise reduction, and added hail protection. With the added energy efficiency of double paned argon gas filled LowE3 glass, this skylight meets building code requirements for safety and includes a rain sensor for automatic closure during inclement weather. Plus, it comes with a remote control and insect screen for convenience. Choose the appropriate VELUX flashing kit for your specific roof type.