VCE Model - Fresh Air Curb Mounted No Leak Skylight - Electric Powered Vented - Inside Curb: 22-1/2"W x 22-1/2"H - Outside Curb: 25-1/2"W x 25-1/2"H - Maximum Skylight Clearance: 26-5/8"W x 26-5/8"H - Single 20' hard wire connects to a standard junction box - A rain sensor is built in to close the unit in the event that inclement weather arises - Includes insect screen - White maintenance free interior frame and sash - No Leak Skylight carries a 10-year installation warranty, plus 20 years on glass, 10 years on product, and 5 years on blinds and controls