Features: • 100% Solid State • Extra power wire allows operation from an existing switch. • High Beam Override works with the vehicle's high/low beam switch to prevent high beams from flashing. • Turns vehicle's existing high beam lights into powerful alternating warning lights. • Flashes lights 90 times per minute per side. • Custom flash rates available. Specifications: • 12 volt • Load: 4 amps per side. • Dimensions: 1 1/16" H x 3 3/4" W x 3 1/4" L