Signal Dynamics Plug & Play Halogen & LED Headlight Module The Plug & Play Headlight Module eliminates the need to cut or splice wires during installation. The rider simply selects the correct harness for the bike and plugs it all together. Features: Installation is designed to be simple when using the correct adapter harness Modulator pulses headlight for extra daytime visibility Features Heads Up Alert pressing horn button makes headlight flash 3 times Surge protected, auto night shut-Off Compact size - 2 1/4 long X 1 5/8 wide X 5/8 high Weather Resistant Heat Sink Case