b'Beacons6.64Britax Xenon 390 Series Voltage Description Size mm OEM12 3 bolt 179 0867231Lighting24 3 bolt 179 087550224 Single bolt 206 086674224 Magnetic 182 087553312/24 Magnetic 182 087555412 Plug-in 186 087557612/24 Plug-in 186 0875577SparesLens 0875786Flash Pattern 160 per minBritax Model B20/B21 Series Voltage Description Size mm OEM12 3 bolt 151 087553024 3 bolt 151 087553112 Single bolt 151 087549424 Single bolt 151 0875495SparesLens 0875756Flash pattern 160 per minBritax Model 320/321 Series Voltage Description Size mm OEM12/24 3 bolt 165 087550312/24 Single bolt 193 0875485SparesLens 0875745Flash pattern 160 per minBritax Model B25 Series Voltage Description Size mm OEM12 Plug-in flexi 257 087556024 Plug-in flexi 257 0875575SparesLens 1964600Flash pattern 160 per minBritax Model B330 Series Voltage Description Size mm Part No.24 3 Bolt* 165 087561912 Single bolt* 193 087562224 Single bolt* 193 087562312 Magnetic 170 087562024 Magnetic 170 0875621SparesLens 0875744Flash pattern 80 per min,*Approved for airport usewww.trpparts.com'