VELUX VSS C06 2004 Skylight, 21 1/2" W x 46 1/4" H Solar Powered Fresh Air-Venting Deck-Mount w/Laminated LowE3 Glass Eligible for 30 percent federal solar tax credit on both product and installation costs, making this product very affordable Qualifies for 10-year "No Leak" installation warranty when installed with Velux ECL shingle roof or ECW tile roof flashing (sold separately) on roof pitch between 10 and 60 degrees Operated by an advanced radio frequency remote (included) so no wiring or electrician is required, making installation easy and more cost effective An integrated rain sensor will close the skyli