Whelen 8 light dominator RED BLUE alternating

Used condition. Removed off a decommissioned police vehicle. Has been bench tested and is in working condition. Appears to have been interior mounted so has very minimum cosmetic wear. Has two off brand 90 degree mounting brackets. 
This model is the flashing model only and does not do traffic advisor patterns. Set as alternating red blue TIR3 modules. 
Manufacturer tag sticker indicates this was a plus series but has tir3 modules. Selling as the pictured bar.