Eiko 49664 - GBF - Stage and Studio - ALR 37mm - Flood - Front Glass - 20 Watt Light Bulbs - 12 Volts - BA15d Base - 3000K 12 Voltage Rating, 20 Watts, 1.67 Amps DC Bayonet (BA15d) Base, ALR 37mm Bulb, C-8 Filament 1.63"/41.4mm MOL, 1.39"/35.3mm MOD 400 Approx Initial Max Beam CP, CT deg K 3000 32 Beam Angle, Flood Beam, 2,000 Hours Rated Life