Sho-Me 27 Pattern LED Strobe Effect Flasher Waterproof, epoxy-sealed design for durability and long life Flange mount design with mounting screws included for easy installation 27 user-selectable strobe effect flash patterns Alternating, simultaneous and random patterns up to 1200 flashes per minute Specifications: 12 Volt DC Rated at 3 amps per side (flashes total of 12 LED lights) Measures 4"L x 2"W x 1/2"H