ModifyStreet Power Side Towing Mirrors with Heated Defrost for 1999-2002 Chevy Silverado/GMC Sierra or 2000-2002 Tahoe/Suburban/Yukon/Avalanche - 1 Pair left and right side included This is a POWER tow mirrors with built-in motor, so you can adjust the angle of the side mirror with the button inside your vehicle. It only applies to vehicle that already have power mirror feature; and if your car has manual mirrors, and you should look at our manual mirrors instead. An upgrade mirror set for your Chevy/GMC truck Comes as a pair of towing mirrors ( Driver + Passenger Side ) Color: Black textured finish ( can be painted to other color that match your vehicle ) Comes with extendable telescoping dual arms; Mirrors are manually foldable; Comes with heated mirror for defrost, your truck has to have heated function in order for this to work properly