Advantage: 1.Latest DOB chip light source, 360 degree no blind zone. 2.Engineering beam pattern design throw more light on road evenly at appropriate angle without foggy light. 3.White light reflect road paint/signs better to show clearer road situation during night driving. 4.270 degree low beam angle with cut-off line,will not dazzle oncoming traffic. 5.All-in-one heat conduction+high speed mute fan system keep the light bulb in appropriate working temperature. 6.Built-in constant current CPU, instant full brightness without start-up relay.