This unit will delay the power to your headlights for a few seconds, so the engine will start more easily. Available for: • Honda CRF450 2009 (Code ESW01 - picture shown) • Honda CRF450 2010 (Code ESW03) • Suzuki RMZ450 2009 (Code ESW02) • Yamaha YZF 2010 (Code ESW04) Other brands by request. Very easy installation.