The Everstart 932W Digital Battery Monitor tracks the condition of your vehicle's power system and uses 2-LED displays to indicate advanced warnings and diagnostics. The LEDs display when your vehicle's battery or alternator need service and the monitor features an easy to read digital display. The monitor is compatible with most 12-volt vehicles and plugs into your cigarette lighter. This monitor alerts you of potential problems in advanced so you can avoid costly car repairs and breakdowns. Coleman Cable, Inc. is a leading manufacturer and innovator of electrical and electronic wire and cable products for the security, sound, telecommunications, electrical construction, retail, commercial, industrial, irrigation, HVAC and automotive markets. Coleman Cable, Inc. offers a family of leading brands such as Designers Edge, Fire Shield and Woods.