Motorcycle Headlight Modulator P115W-A6 Can-Bus Compatible With Plug n Play Programming, No-cut, pathBlazer By Kisan Designed For Your Bike with Daylight Sensor, Easy Install CAN Bus Compatible Uses BMW 6-pin connector to attach to H4 and H7 light clusters on many R & K Series BMW Models (see list below) Plug-n-Play - Plug the adapter between headlight and bulb socket Programmable between conventional bulbs (default) or LED bulbs without tools Turn It Off - Modulation ONLY occurs in daylight via high beam Cover the Daylight sensor w/ BLACK electrical tape Start the engine in Low Beam Flick it to High Beam 6 times (about once a second) Leave it on the High Beam.