In addition to the usual four-way adjustments, the Power Vision electric-operated, driver's-side/passenger's side rear view mirrors also adjust in and out. Each can extend up to 5 full inches (providing a tip-by-tip measurement of about 110 inches) and can be manually folded back for fitting ito close quarters. They have a significantly larger viewing area and vibrate less than do stock power mirrors. All models are available with or without turn signals and as standard non-heated or optional heated versionf for frost-free viewing.