A'BLE Sho-Me 4 Output LED Strobe Effect Flasher Waterproof, epoxy-sealed design for durability and long life Flange mount design with mounting screws included for easy installation 14 User-selectable strobe effect flash patterns Flash patterns outputs 1 & 2 / 3 & 4 / All: Double Alternating Flash, Quad Alternating Flash, Quint Alternating Flash, Mega Alternating Flash, Double Simultaneous Flash, Quad Simultaneous Flash, Random Flash Flash patterns all outputs: Scan Sweep Alternating 1-2 & 3-4 Quad Alternating 1-3 & 2-4 Quad Alternating 1-2 & 3-4 Alternating 1-3 & 2-4 Random Flash Specifications: 12 Volt DC Rated at 3 amps per output (flashes total of 24 LED lights) Measures 4"L x 2"W x 1/2"H