AFS Dual Voltage Timer, 75 Amp Load, 4 Timed Outputs, 2 Battery Hot Outputs, and 2 Timed USB power o Headliner Bracket Superior wide-angle visibility The console includes provisions WET441092 Memory Card Capacity:256 GB fits_2012-2013`GMC`Yukon`Denali Hybrid~2012-2013`GMC`Yukon`Hybrid~2012-2013`GMC`Yukon`SLE~2012-2013`GMC`Yukon`SLT~2007-2013`GMC`Yukon XL 1500`Denali~2007-2013`GMC`Yukon XL 1500`SLE~2007-2013`GMC`Yukon XL 1500`SLT~2007-2013`GMC`Yukon XL 2500`SLE

AFS Dual Voltage Timer, 75 Amp Load, 4 Timed Outputs, 2 Battery Hot Outputs, and 2 Timed USB power o Headliner Bracket Superior wide angle visibility The console includes provisions WET441092 Memory Card Capacity:256 GB fits_2012 2013`GMC`Yukon`Denali Hybrid~2012 2013`GMC`Yukon`Hybrid~2012 2013`GMC`Yukon`SLE~2012 2013`GMC`Yukon`SLT~2007 2013`GMC`Yukon XL 1500`Denali~2007 2013`GMC`Yukon XL 1500`SLE~2007 2013`GMC`Yukon XL 1500`SLT~2007 2013`GMC`Yukon XL 2500`SLE Superior wide angle visibility The 295 Series Control Head with Remote Dual Siren Amplifier 295HFSA7 from " Whelen Engineering" a self diagnostic indicator of a siren or speaker failure