Indicator / blinker LED bulb 6 volt, Bau15s base, (single filament), offset pins (6 oclock and 1 one oclock) small glass equivalent (19mm max width, 35 mm max height). Polartiy insensitive so it operates on negative or positive earth. Power consumption 6V: 0.16A. A normal 10Watt bulb uses 1.66A