DEDC Towing Mirrors Fit For 1999-2002 Chevy Silverado 1500 2500 3500 GMC Sierra Yukon Power Heated Manual Telescoping Fit For:1999-2002 Chevy Silverado /GMC Sierra 1500 2500 3500 Suberban Avalanche Tahoe Yukon Heated:The heating can prevent glaring in bad weather conditions, such as rainy days and foggy days, etc.. It can keep your rear mirrors as clear as in sunny days so as to improve the safety level of driving. Electrical: This pair of rear mirrors can be controlled by electricity. It is more convenient to use. Easy Installation: It is very easy to assemble it on your car. Because no extra cutting is needed. Widely Application: This pair of rear mirrors can compatible with 1999-2002 Chevy/GMC Silverado/Sierra cars. Power control for Top Glasses With Heated Manual Folding &amp; Telescoping NO signal lights Fit For Both Driver Side(left) &amp; Passenger Side(Right) - Heated:The heating can prevent glaring in bad weather conditions, such as rainy days and foggy days, etc..It can keep your rear mirrors as clear as in sunny days so as to improve the safety level of driving. - Electrical: This pair of rear mirrors can be controlled by electricity. It is more convenient to use. - Easy Installation: It is very easy to assemble it on your car. Because no extra cutting is needed. - Widely Application: This pair of rear mirrors can compatible with 1999-2002 Chevy/GMC Silverado/Sierra cars.