VELUX 21 in x 45.75 in Fixed Deck Mount Skylight with Laminated Low e Argon Glass Tools Produces more hot water than Produces more hot water than a traditional 50 gallon (40K BTU) water heater 75 CA Residents: Prop 65 Warning(s) No Blower Port Yes Battery Voltage N A Amperage 12 Battery Included N A (corded) Battery Operated No Voltage 120 UNSPSC 47121600 Corded Cordless Corded Tank Material Plastic Type Portable Horsepower 6 Our double paned 42 Glazing Type Laminated Exterior Material Aluminum Hardware Included Yes Flashing Included No Installation Type Deck mount For Use with Flat Roofing No Interior Frame Material Woodbase For Use with Metal Roofing Yes Remote Control Included No For Use with RV Roofing No Shade Blind Operation N A For Use with Shingled Roofing Yes Shade Blind Power Source N A Glass Insulation Low E argon Shade Blind Style N A Glass Tint Yes Skylight Style Fixed Compatibility App Compatibility No Smart Compatible No Warranty Warranty 10 year limited