Auto-Dimming Mirrors - DUAL-DISPLAY AUTO-DIMMING MIRROR WITH DIGITAL COMPASS, THERMOMETER AND MAP LIGHTS Replaces your original mirror and incorporates every advanced feature for safer, easier travel Night Vision Safety� mirror is the same Gentrex mirror available in select luxury cars and trucks Eliminates the dangerous glare from vehicles in back of you Get the factory mirror without buying a new vehicle! AUTO DIMMING. At night, sophisticated sensors/circuitry detect glare from vehicle approaching from the rear, automatically darkening mirror to eliminate glare. The brighter the glare, the darker the mirror becomes. COMPASS. Self-calibrating compass uses computer technology to accurately indicate travel direction (N, NE, S, SW, etc.) on the easy-to-read digital display. THERMOMETER. Digital display accurately shows outside temperature. At 37� F or below, the word "ICE" appears to warn about potential road-icing conditions. MAP LIGHTS. 2 LED lights add extra illumination to vehicle's interior�handy for nighttime driving. Kit includes mirror, wiring harness and instructions. Installation takes about 2 hours by a person with good automotive knowledge; wiring harness must be run under headliner. NOTE: Installation in 1998 and earlier Ford vehicles and all imported vehicles requires Mirror-mount Bracket (sold separately; SKU# 50ZX3799T). Applications: All Makes All Models, All Makes All Models