Genuine Lucas Classic Motorcycle LED bulb for British Pre-Focus (BPF) reflectors. Can be used on either 6V or 12V systems; dual polarity suits both positive- and negative-ground systems. Low beam output is 510/520 lumens; high beam output 970/980 lumens. Power Consumption: 6-volt system low beam 2.7W, high beam 5.7W. 12-volt system low beam 2.64W, high beam 5.52W.