Enjoy hassle-free power transfer between the shoreline cord and your generator. Can be used as a deck-mount or mounted to the back of Parallax Power Centers. Features electronic operation and generator time delay. 4-3/4"W x 4-1/8"H x 6-1/4"D. Weighs 3-1/2 lbs. 2 year warranty. Type: Automatic Function: Transfer Power Between Shore And RV Generator Voltage: 120 Volt AC Ampere Rating: 30 Amp Terminal Type: Screw Length (IN): 4-1/8 Inch Width (IN): 4-7/16 Inch Height (IN): 6 Inch Color: Silver Material: Steel Mounting Type: Deck Or Mounted Directly To Parallax Power Centers Designed To Automatically Switch The On Board 120 Volt Appliances To Generator Power When The Generator Is Activated Transfer Power Between Shoreline And RV Generator Made In USA UL Type 1-16 GA Steel